.eslintrc.json

{
  "parser": "babel-eslint",
  "plugins": ["flowtype"],
  "extends": "eslint:recommended",
  "env": {
    "node": true
  },
  "globals": {
    "T": true,
    "Map": true,
    "Set": true,
    "Proxy": true,
    "Promise": true,
    "Reflect": true,
    "WeakMap": true,
    "WeakSet": true,
    "Iterable": true
  },
  "settings": {
    "flowtype": {
      "onlyFilesWithFlowAnnotation": true
    }
  },
  "rules": {
    "semi": ["error", "never"],
    "strict": 0,
    "max-len": ["error", 80],
    "arrow-parens": 0,
    "comma-dangle": [2, "only-multiline"],
    "global-require": 0,
    "no-underscore-dangle": 0,
    "class-methods-use-this": 0,
    "no-irregular-whitespace": 0,
    "no-restricted-syntax": [
      "error",
      "ForInStatement",
      "LabeledStatement",
      "WithStatement"
    ],
    "import/order": ["warn", {
      "groups": [
        "builtin",
        "external",
        "internal",
        "parent",
        "sibling",
        "index"
      ],
      "newlines-between": "always"
    }],
    "import/extensions": 0,
    "import/no-named-default": 0,
    "import/no-dynamic-require": 0,
    "import/prefer-default-export": 0
  }
}