.eslintrc.js

module.exports = {
  'env': {
    'es6': true,
    'node': true
  },
  'parser': 'babel-eslint',
  'extends': [
    'eslint:recommended',
    'plugin:flowtype/recommended',
    'plugin:react/recommended',
    'plugin:react-native/all'
  ],
  'parserOptions': {
    'ecmaFeatures': {
      'experimentalObjectRestSpread': true,
      'jsx': true
    },
    'sourceType': 'module'
  },
  'plugins': [
    'react',
    'react-native',
    'flowtype'
  ],
  'rules': {
    'max-len': ['error', {
      'code': 200,
      'ignoreComments': true,
      'ignoreTrailingComments': true,
      'ignoreUrls': true,
      'ignoreStrings': true,
      'ignoreTemplateLiterals': true,
      'ignoreRegExpLiterals': true
    }],
    'arrow-parens': ['error', 'always'],
    'operator-linebreak': ['error', 'before'],
    'react/jsx-curly-spacing': ['error', {
      'when': 'never',
      'attributes': {'allowMultiline': false},
      'children': true
    }],
    'react/jsx-no-duplicate-props': ['error', { 'ignoreCase': true }],
    'react/jsx-indent-props': ['error', 2],
    'react/self-closing-comp': ['error', {'component': true}],
    'react/no-typos': 'error',
    'react/no-array-index-key': 'error',
    'block-spacing': ['error', 'always'],
    'brace-style': ['error', '1tbs', { 'allowSingleLine': true }],
    'jsx-quotes': ['error', 'prefer-single'],
    'newline-per-chained-call': ['error', { 'ignoreChainWithDepth': 2 }],
    'no-plusplus': ['error', { 'allowForLoopAfterthoughts': true }],
        // "object-curly-spacing": ["error", "never", { "objectsInObjects": true }],
    'operator-assignment': ['error', 'never'],
    'keyword-spacing': ['error', {
      'before': true,
      'after': true
    }],
    'arrow-spacing': ['error', {
      'before': true,
      'after': true
    }],
    'space-before-blocks': ['error', {
      'functions': 'always',
      'keywords': 'always',
      'classes': 'always'
    }],
    'space-before-function-paren': ['error', {
      'anonymous': 'always',
      'named': 'always',
      'asyncArrow': 'always'
    }],
    'space-in-parens': ['error', 'never'],
    'no-duplicate-imports': 2,
    'array-callback-return': 2,
    'no-floating-decimal': 2,
    'no-var': 2,
    'no-trailing-spaces': 2,
    'no-console': 0,
    'indent': ['error', 2],
    'linebreak-style': ['error', 'unix'],
    'quotes': ['error', 'single'],
    'semi': ['error', 'never'],
    'react/prop-types': 0,
    'react/no-string-refs': 0,
    'react-native/no-unused-styles': 0,
    'react-native/split-platform-components': 2,
    'react-native/no-inline-styles': 0,
  }
}