eslint/lib/api.js

   1 /**
   2  * @fileoverview Expose out ESLint and CLI to require.
   3  * @author Ian Christian Myers
   4  */
   5
   6 "use strict";
   7
   8 const { CLIEngine } = require("./cli-engine");
   9 const { ESLint } = require("./eslint");
  10 const { Linter } = require("./linter");
  11 const { RuleTester } = require("./rule-tester");
  12 const { SourceCode } = require("./source-code");
  13
  14 module.exports = {
  15     Linter,
  16     CLIEngine,
  17     ESLint,
  18     RuleTester,
  19     SourceCode
  20 };
  21
  22 // DOTO: remove deprecated API.
  23 let deprecatedLinterInstance = null;
  24
  25 Object.defineProperty(module.exports, "linter", {
  26     enumerable: false,
  27     get() {
  28         if (!deprecatedLinterInstance) {
  29             deprecatedLinterInstance = new Linter();
  30         }
  31
  32         return deprecatedLinterInstance;
  33     }
  34 });