.eslintrc.js

module.exports = {
  root: true,
  parserOptions: {
    ecmaVersion: 6,
    sourceType: 'module',
  },
  extends: 'eslint:recommended',
  globals: {
    "document": true,
    "window": true,
    "jQuery": true,
    "$": true,
    "require": true,
    "__dirname": true,
    "process": true,
    "ENV": true,
    "module": true
  },
  env: {
    browser: true,
    "es6": true
  },
  rules: {
    "no-cond-assign": [
      2,
      "except-parens"
    ],
    "curly": 2,
    "no-console": 0,
    "no-debugger": 0,
    "eqeqeq": 2,
    "no-eval": 2,
    "guard-for-in": 0,
    "wrap-iife": 0,
    "linebreak-style": 0,
    "new-cap": 0,
    "no-caller": 2,
    "no-empty": 0,
    "no-extra-boolean-cast": 0,
    "no-new": 0,
    "no-plusplus": 0,
    "no-undef": 2,
    "dot-notation": 0,
    "strict": 0,
    "no-eq-null": 2,
    "no-unused-vars": 2
  }
};