.eslintrc

{
  'plugins': ['react'],

  'extends': ['plugin:react/recommended'],

  'parser': 'babel-eslint',

  'parserOptions': {
    'ecmaVersion': 6,
    'ecmaFeatures': {
      'jsx': true,
      'experimentalObjectRestSpread': true
    },
    'sourceType': 'module'
  },

  'env': {
    'es6': true,
    'node': true,
    'jest': true
  },

  'globals': {
    'context': false,
    'document': false,
    'FormData': false,
    'localStorage': false,
    'navigator': false,
    'window': false
  },

  'rules': {
    'accessor-pairs': 2,
    'arrow-spacing': [2, {'before': true, 'after': true}],
    'block-spacing': [2, 'always'],
    'brace-style': [2, '1tbs', {'allowSingleLine': true}],
    'camelcase': [2, {'properties': 'always'}],
    'comma-dangle': [2, 'never'],
    'comma-spacing': [2, {'before': false, 'after': true}],
    'comma-style': [2, 'last'],
    'constructor-super': 2,
    'curly': [2, 'multi-line'],
    'dot-location': [2, 'object'],
    'eol-last': 2,
    'eqeqeq': [2, 'allow-null'],
    'generator-star-spacing': [2, {'before': true, 'after': true}],
    'handle-callback-err': [2, '^(err|error)$' ],
    'indent': [2, 2, {'SwitchCase': 1}],
    'key-spacing': [2, {'beforeColon': false, 'afterColon': true}],
    'keyword-spacing': [2, {'before': true, 'after': true}],
    'new-cap': [2, {'newIsCap': true, 'capIsNew': false}],
    'new-parens': 2,
    'no-array-constructor': 2,
    'no-caller': 2,
    'no-class-assign': 2,
    'no-cond-assign': 2,
    'no-const-assign': 2,
    'no-control-regex': 2,
    'no-delete-var': 2,
    'no-dupe-args': 2,
    'no-dupe-class-members': 2,
    'no-dupe-keys': 2,
    'no-duplicate-case': 2,
    'no-empty-character-class': 2,
    'no-empty-pattern': 2,
    'no-eval': 2,
    'no-ex-assign': 2,
    'no-extend-native': 2,
    'no-extra-bind': 2,
    'no-extra-boolean-cast': 2,
    'no-extra-parens': 2,
    'no-fallthrough': 2,
    'no-floating-decimal': 2,
    'no-func-assign': 2,
    'no-implied-eval': 2,
    'no-inner-declarations': [2, 'functions'],
    'no-invalid-regexp': 2,
    'no-irregular-whitespace': 2,
    'no-iterator': 2,
    'no-label-var': 2,
    'no-labels': [2, {'allowLoop': false, 'allowSwitch': false}],
    'no-lone-blocks': 2,
    'no-mixed-spaces-and-tabs': 2,
    'no-multi-spaces': 2,
    'no-multi-str': 2,
    'no-multiple-empty-lines': [2, {'max': 1}],
    'no-native-reassign': 2,
    'no-negated-in-lhs': 2,
    'no-new-object': 2,
    'no-new-require': 2,
    'no-new-symbol': 2,
    'no-new-wrappers': 2,
    'no-obj-calls': 2,
    'no-octal': 2,
    'no-octal-escape': 2,
    'no-path-concat': 2,
    'no-proto': 2,
    'no-redeclare': 2,
    'no-regex-spaces': 2,
    'no-return-assign': [2, 'except-parens'],
    'no-self-assign': 2,
    'no-self-compare': 2,
    'no-sequences': 2,
    'no-shadow-restricted-names': 2,
    'no-spaced-func': 2,
    'no-sparse-arrays': 2,
    'no-this-before-super': 2,
    'no-throw-literal': 2,
    'no-trailing-spaces': 2,
    'no-undef': 2,
    'no-undef-init': 2,
    'no-unexpected-multiline': 2,
    'no-unmodified-loop-condition': 2,
    'no-unneeded-ternary': [2, {'defaultAssignment': false}],
    'no-unreachable': 2,
    'no-unsafe-finally': 2,
    'no-unused-vars': [2, {'vars': 'all', 'varsIgnorePattern': '^_', 'args': 'none'}],
    'no-useless-call': 2,
    'no-useless-computed-key': 2,
    'no-useless-constructor': 2,
    'no-useless-escape': 0,
    'no-whitespace-before-property': 2,
    'no-with': 2,
    'object-shorthand': 2,
    'one-var': [2, {'initialized': 'never'}],
    'operator-linebreak': [2, 'after'],
    'padded-blocks': [2, 'never'],
    'prefer-arrow-callback': 2,
    'quotes': [2, 'single', {'avoidEscape': true, 'allowTemplateLiterals': true}],
    'semi': [2, 'never'],
    'semi-spacing': [2, {'before': false, 'after': true}],
    'space-before-blocks': [2, 'always'],
    'space-before-function-paren': [2, 'never'],
    'space-in-parens': [2, 'never'],
    'space-infix-ops': 2,
    'space-unary-ops': [2, {'words': true, 'nonwords': false}],
    'spaced-comment': [2, 'always', {'markers': ['global', 'globals', 'eslint', 'eslint-disable', '*package', '!', ',']}],
    'template-curly-spacing': [2, 'never'],
    'use-isnan': 2,
    'valid-typeof': 2,
    'wrap-iife': [2, 'any'],
    'yield-star-spacing': [2, 'both'],
    'yoda': [2, 'never'],
    'prefer-const': 2,
    'no-debugger': 0,
    'object-curly-spacing': [2, 'never'],
    'array-bracket-spacing': [2, 'never']
  }
}