.eslintrc.js

module.exports = {
  extends: [
    'airbnb-base',
    'plugin:flowtype/recommended',
  ],
  env: {
    browser: true,
    es6: true,
    node: true
  },
  globals: {
    PRODUCTION: true
  },
  plugins: [
    'flowtype'
  ],
  rules: {
    "no-console": 0,
    "global-require": 0,
    "no-use-before-define": 0,
    "no-underscore-dangle": 0,
    "class-methods-use-this": 0,
    "import/prefer-default-export": 0,
    "comma-dangle": [2, "never"],
    "import/no-extraneous-dependencies": [2, { devDependencies: true }],
    "key-spacing": ["error", {
      "align": {
          "beforeColon": true,
          "afterColon": true,
          "on": "colon"
      }
    }],
    "max-depth": ["error", 2],
    "max-nested-callbacks": ["error", 2],
    "max-statements": ["error", 15],
    "max-len": ["error", 150]
  },
  settings: {
    flowtype: {
      'onlyFilesWithFlowAnnotation': true
    }
  }
};