eslint-config-netflix/index.js

An ESLint config for JavaScript projects, brought to you by Netflix

module.exports = {
  'parser': 'babel-eslint',
  'parserOptions': {
    'ecmaVersion': 6,
    'sourceType': 'module',
    'ecmaFeatures': {
      'jsx': true,
      'impliedStrict': true,
      'experimentalObjectRestSpread': true
    }
  },
  'env': {
    'browser': true,
    'node': true,
    'es6': true
  },
  'rules': {
    'array-bracket-spacing': 0,
    'array-callback-return': 2,
    'camelcase': 0,
    'class-methods-use-this': 2,
    'comma-dangle': [ 2, 'never' ],
    'comma-style': [ 2, 'last' ],
    'curly': [ 2,'multi' ],
    'dot-notation': [ 2, { 'allowKeywords': true } ],
    'eol-last': 2,
    'eqeqeq': [ 2, 'allow-null' ],
    'guard-for-in': 2,
    'indent': [ 2, 2, { 'SwitchCase': 1 } ],

    'jsx-quotes': [ 2, 'prefer-double' ],

    'key-spacing': 0,
    'new-cap': 0,

    'no-bitwise': 0,
    'no-caller': 2,
    'no-cond-assign': [ 2, 'except-parens' ],
    'no-debugger': 2,
    'no-empty': 2,
    'no-empty-function': 2,
    'no-lone-blocks': 2,
    'no-eval': 2,
    'no-extend-native': 2,
    'no-extra-parens': 2,
    'no-irregular-whitespace': 2,
    'no-iterator': 2,
    'no-loop-func': 2,
    'no-multi-spaces': 0,
    'no-multi-str': 2,
    'no-multiple-empty-lines': 2,
    'no-new': 0,
    'no-plusplus': 0,
    'no-proto': 2,
    'no-script-url': 2,
    'no-sequences': 2,
    'no-shadow': 2,
    'no-undef': 2,
    'no-underscore-dangle': 0,
    'no-unused-expressions': 0,
    'no-unused-vars': [ 2, { 'ignoreRestSiblings': true } ],
    'no-var': 2,
    'no-with': 2,
    'no-redeclare': 2,


    'no-useless-constructor': 2,
    'no-useless-rename': [ 'error', {
      'ignoreDestructuring': true,
      'ignoreImport': true,
      'ignoreExport': true
    } ],
    'no-template-curly-in-string': 2,

    'prefer-const': [ 'error', {
      'destructuring': 'any',
      'ignoreReadBeforeAssign': false
    } ],
    'generator-star-spacing': [ 'error', { 'before': true, 'after': true } ],
    'no-const-assign': 2,
    'no-empty-pattern': 2,
    'prefer-arrow-callback': 2,
    'prefer-rest-params': 2,
    'prefer-spread': 2,
    'prefer-template': 2,
    'template-curly-spacing': [ 'error', 'never' ],
    'yield-star-spacing': 2,

    'object-curly-spacing': [ 2, 'always' ],
    'quotes': [ 2, 'single', 'avoid-escape' ],
    'quote-props': [ 2, 'consistent' ],

    'semi-spacing': 0,
    'semi': [ 2, 'never' ],
    'space-before-blocks': [ 2, 'always' ],
    'space-before-function-paren': 0,
    'strict': 0,
    'valid-typeof': 2,
    'wrap-iife': [ 2, 'inside' ]
  }
}