Proposed: ESLint Config

.eslintrc.js

const OFF = 0;
const WARN = 1;
const ERROR = 2;

module.exports = {
  'env': {
    'browser': true,
    'es6': true,
    'node': true,
    'mocha': true,
    'jquery': true
  },
  'parser': 'babel-eslint',
  'parserOptions': {
    'ecmaFeatures': {
      'jsx': true
    },
    'sourceType': 'module'
  },
  'plugins': [
    'flowtype',
    'jsx-a11y',
    'import',
    'react',
  ],
  'extends': [
    'plugin:flowtype/recommended',
    'airbnb',
  ],
  'globals': {
    '_': false,
    'autoprefixer': false,
    'io': false,
    'path': false
  },
  'root': true,
  'rules': {
    'comma-dangle': [ERROR, { // `airbnb` defaults to ERROR
      'arrays': 'always-multiline',
      'objects': 'always-multiline',
      'imports': 'always-multiline',
      'exports': 'always-multiline',
      'functions': 'ignore' // this prevents "ESLint Autofix" from ADDING comas. Once we upgrade Node to support trailing commas in parameters we can eliminate this.
    }],
    'react/sort-comp': [
      WARN,
      {
        order: [
          'static-methods',
          'typing',
          'lifecycle',
          'events',
          'rendering',
          'everything-else'
        ],
        groups: {
          typing: [
            'context',
            'props',
            'state',
            'type-annotations',
          ],
          events: [
            '/^on.+$/',
            '/^get.+$/',
            '/^set.+$/',
          ],
          rendering: [
            "/^render.+$/",
            "render"
          ]
        }
      }
    ],
  },
  'settings': {
    'flowtype': {
      onlyFilesWithFlowAnnotation: true
    },
    'import/resolver': {
      webpack: [
        'webpack.react.config.js',
        'webpack.config.js',
      ]
    },
  }
};