.eslintrc

{
  parserOptions: {
    ecmaVersion: 6,
    sourceType: 'module'
  },
  env: {
    node: true,
    es6: true
  },
  rules: {
    // Possible Errors
    'comma-dangle': [2, 'never'],
    'no-cond-assign': 2,
    'no-constant-condition': 2,
    'no-control-regex': 2,
    'no-debugger': 2,
    'no-dupe-args': 2,
    'no-dupe-keys': 2,
    'no-duplicate-case': 2,
    'no-empty-character-class': 2,

    'no-ex-assign': 2,
    'no-extra-boolean-cast': 2,

    'no-extra-semi': 2,
    'no-func-assign': 2,
    'no-inner-declarations': 2,
    'no-invalid-regexp': 2,
    'no-irregular-whitespace': 2,
    'no-negated-in-lhs': 2,
    'no-obj-calls': 2,
    'no-regex-spaces': 2,
    'no-sparse-arrays': 2,
    'no-unreachable': 2,
    'use-isnan': 2,
    'valid-typeof': 2,
    'no-unexpected-multiline': 2,

    // Best Practices
    'accessor-pairs': 2,
    'array-callback-return': 2,
    'block-scoped-var': 2,
    'curly': 2,
    'default-case': 2,
    'dot-notation': 2,
    'dot-location': [2, 'property'],
    'eqeqeq': 2,
    'guard-for-in': 2,
    'no-alert': 2,
    'no-caller': 2,
    'no-case-declarations': 2,
    'no-div-regex': 2,
    'no-else-return': 2,
    'no-empty-pattern': 2,
    'no-eq-null': 2,
    'no-eval': 2,
    'no-extend-native': 2,
    'no-extra-bind': 2,
    'no-extra-label': 2,
    'no-fallthrough': 2,
    'no-floating-decimal': 2,
    'no-implicit-coercion': 2,
    'no-implicit-globals': 2,
    'no-implied-eval': 2,
    'no-iterator': 2,
    'no-labels': 2,
    'no-lone-blocks': 2,
    'no-loop-func': 2,

    'no-multi-spaces': 0,
    'no-multi-str': 0,
    'no-native-reassign': 2,
    'no-new-func': 2,
    'no-new-wrappers': 2,
    'no-new': 2,
    'no-octal-escape': 2,
    'no-octal': 2,
    'no-proto': 2,
    'no-redeclare': 2,
    'no-return-assign': [2, 'always'],
    'no-script-url': 2,
    'no-self-assign': 2,
    'no-self-compare': 2,
    'no-sequences': 2,
    'no-throw-literal': 2,
    'no-unmodified-loop-condition': 2,
    'no-unused-expressions': 2,
    'no-unused-labels': 2,
    'no-useless-call': 2,
    'no-useless-concat': 2,
    'no-void': 2,
    'no-warning-comments': 1,
    'no-with': 2,
    'radix': 2,
    'require-jsdoc': 0,
    'valid-jsdoc': [2, {
      requireReturn: false,
      prefer: {
        returns: 'return'
      }
    }],
    'wrap-iife': [2, 'inside'],
    'yoda': 2,

    // Variables
    'no-delete-var': 2,
    'no-label-var': 2,
    'no-shadow-restricted-names': 2,
    'no-undef-init': 2,
    'no-undef': [2, {typeof: true}],
    'no-unused-vars': 0,
    'no-use-before-define': [2, 'nofunc'],

    // Node.js

    'handle-callback-err': 0,
    'no-mixed-requires': [2, {grouping: true, allowCall: true}],
    'no-new-require': 2,
    'no-path-concat': 2,
    'no-restricted-imports': [2, 'domain', 'freelist', 'smalloc', 'sys', 'colors'],
    'no-restricted-modules': [2, 'domain', 'freelist', 'smalloc', 'sys', 'colors'],

    // Stylistic Issues
    'array-bracket-spacing': [2, 'never'],
    'brace-style': ["error", "stroustrup", { "allowSingleLine": true }],
    'camelcase': [2, {properties: 'always'}],
    'comma-spacing': [2, {before: false, after: true}],
    'comma-style': [2, 'last'],
    'computed-property-spacing': [2, 'never'],
    'eol-last': 2,
    'indent': [2, 2, {
      SwitchCase: 1
    }],
    'jsx-quotes': 2,
    'key-spacing': [2, {beforeColon: false, afterColon: true}],
    'keyword-spacing': 2,
    'linebreak-style': [2, 'unix'],
    'max-len': 0,
    'max-nested-callbacks': [1, 4],
    'new-cap': [2, {newIsCap: true, capIsNew: true}],
    'new-parens': 2,
    'no-array-constructor': 2,
    'no-lonely-if': 2,
    'no-mixed-spaces-and-tabs': 2,
    'no-multiple-empty-lines': 0,
    'no-nested-ternary': 2,
    'no-negated-condition': 2,
    'no-new-object': 2,
    'no-restricted-syntax': [2, 'WithStatement'],
    'no-whitespace-before-property': 2,
    'no-spaced-func': 2,
    'no-trailing-spaces': 2,
    'no-unneeded-ternary': 2,
    'object-curly-spacing': [2, "always"],
    'one-var': [2, 'never'],
    'one-var-declaration-per-line': 2,
    'operator-assignment': [2, 'always'],
    'operator-linebreak': [2, 'after'],
    'padded-blocks': 0,
    'quote-props': [2, 'consistent-as-needed'],
    'quotes': [2, 'single'],
    'semi-spacing': [2, {before: false, after: true}],
    'semi': [2, 'always'],
    'space-before-blocks': [2, 'always'],
    'space-before-function-paren': [2, 'never'],
    'space-in-parens': [2, 'never'],
    'space-infix-ops': 2,
    'space-unary-ops': 2,
    'spaced-comment': [2, 'always', {markers: ['!']}],

    // ES2015
    'arrow-parens': [2, 'always'],
    'arrow-spacing': [2, {before: true, after: true}],
    'constructor-super': 2,
    'generator-star-spacing': [2, 'both'],
    'no-class-assign': 2,
    'no-const-assign': 2,
    'no-dupe-class-members': 2,
    'no-new-symbol': 2,
    'no-this-before-super': 2,
    'no-useless-constructor': 2,
    'template-curly-spacing': 2,
    'yield-star-spacing': [2, 'both']
  }
}