eslint/webpack.config.js

   1 "use strict";
   2
   3 module.exports = {
   4     mode: "none",
   5     entry: {
   6         eslint: ["core-js/stable", "regenerator-runtime/runtime", "./lib/linter/linter.js"]
   7     },
   8     output: {
   9         filename: "[name].js",
  10         library: "[name]",
  11         libraryTarget: "umd",
  12         globalObject: "this"
  13     },
  14     module: {
  15         rules: [
  16             {
  17                 test: /\.m?js$/u,
  18                 loader: "babel-loader",
  19                 options: {
  20                     presets: [
  21                         ["@babel/preset-env", {
  22                             debug: true, // ← to print actual browser versions
  23
  24                             /*
  25                              * We want to remove `transform-unicode-regex` convert because of https://github.com/eslint/eslint/pull/12662.
  26                              *
  27                              * With `>0.5%`, `@babel/preset-env@7.7.6` prints below:
  28                              *
  29                              *     transform-unicode-regex { "chrome":"49", "ie":"11", "safari":"5.1" }
  30                              *
  31                              * So this excludes those versions:
  32                              *
  33                              * - IE 11
  34                              * - Chrome 49 (2016; the last version on Windows XP)
  35                              * - Safari 5.1 (2011-2013; the last version on Windows)
  36                              */
  37                             targets: ">0.5%, not chrome 49, not ie 11, not safari 5.1"
  38                         }]
  39                     ]
  40                 },
  41                 exclude: /node_modules[\\/]lodash/u
  42             }
  43         ]
  44     },
  45     resolve: {
  46         mainFields: ["main", "module"]
  47     },
  48     stats: "errors-only"
  49 };