.eslintrc.json

{
  "parser": "babel-eslint",
  "plugins": [
    "jest",
    "flowtype"
  ],
  "extends": "airbnb-base",
  "env": {
    "node": true
  },
  "globals": {
    "$PropertyType": true,
    "afterAll": true,
    "afterEach": true,
    "beforeAll": true,
    "beforeEach": true,
    "Class": true,
    "describe": true,
    "expect": true,
    "Generator": true,
    "it": true,
    "jasmine": true,
    "jest": true,
    "Knex$QueryBuilder": true,
    "Knex$SchemaBuilder": true,
    "Knex$Transaction": true,
    "Process": true,
    "test": true
  },
  "settings": {
    "flowtype": {
      "onlyFilesWithFlowAnnotation": true
    }
  },
  "parserOptions": {
    "ecmaVersion": 2017,
    "sourceType": "module",
    "ecmaFeatures": {
      "impliedStrict": true,
      "experimentalObjectRestSpread": 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,
    "jest/no-focused-tests": "error",
    "jest/no-disabled-tests": "warn",
    "jest/no-identical-title": "error",
    "flowtype/semi": ["error", "never"],
    "flowtype/no-dupe-keys": 2,
    "flowtype/boolean-style": [2, "boolean"],
    "flowtype/generic-spacing": 2,
    "flowtype/define-flow-type": 0,
    "flowtype/space-after-type-colon": [2, "always"],
    "flowtype/space-before-type-colon": [2, "never"],
    "flowtype/union-intersection-spacing": [2, "always"],
    "flowtype/space-before-generic-bracket": [2, "never"],
    "flowtype/require-valid-file-annotation": [2, "always"]
  }
}