.eslintrc

{
  "extends": ["eslint:recommended", "google"],
  "parserOptions": {
     "ecmaVersion": 2017
   },
  "env": {
    "es6": true,
    "node": true
  },
  "rules": {
    "prefer-template": "error",
    "linebreak-style": [
        "error",
        "unix"
    ],
    "quotes": [
        "error",
        "single"
    ],
    "semi": [
        "error",
        "always"
    ],
    "max-len": [
        "warn",
        120
    ],
    "no-undef": "error",
    "object-curly-spacing": [
        "error",
        "always"
    ],
    "array-bracket-spacing": [
        "error",
        "always"
    ],
    "prefer-const": "error",
    "require-jsdoc": [
      "error",
      {
        "require": {
          "FunctionDeclaration": false,
          "MethodDefinition": false,
          "ClassDeclaration": true
        }
      }
    ],
    "no-inner-declarations": "warn",
    "no-case-declarations": "off"
  }
}