.eslintrc

{
    "env": {
        "browser": true,
        "node": true,
        "commonjs": false,
        "shared-node-browser": false,
        "es6": true,
        "worker": false,
        "amd": false,
        "mocha": true,
        "jasmine": false,
        "jest": false,
        "phantomjs": false,
        "protractor": false,
        "qunit": false,
        "jquery": false,
        "prototypejs": false,
        "shelljs": false,
        "meteor": false,
        "mongo": false,
        "applescript": false,
        "nashorn": false,
        "serviceworker": false,
        "atomtest": false,
        "embertest": false,
        "webextensions": false,
        "greasemonkey": false
    },
    "root": true,
    "extends": ["eslint:recommended", "plugin:mocha/recommended"],
    "parserOptions": {
        "sourceType": "module",
        "ecmaVersion": 11,
        "ecmaFeatures": {
            "impliedStrict": true
        }
    },
    "rules": {
      // Enforcing
        "indent": [
            "error",
            2
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ],
        "no-bitwise": ["error"],
        "camelcase": ["off"],
        "curly": ["error"],
        "eqeqeq": ["error"],
        "guard-for-in": ["error"],
        "wrap-iife": ["error"],
        "no-use-before-define": ["off"],
        "new-cap": ["error", { "properties": false }],
        "no-caller": ["error"],
        "no-empty": ["error"],
        "no-new": ["error"],
        "no-plusplus": ["off"],
        "no-undef": ["error"],
        "no-unused-vars": ["off"],
        "max-params": ["error", 10],
        "max-depth": ["error", 5],
        "max-statements": ["error", 40],
        "complexity": ["error", 8],
        "max-len": ["error", {"code": 120, "comments": 140}],
        "no-var": ["off"],

        // Relaxing
        "no-debugger": ["error"],
        "no-eq-null": ["error"],
        "no-eval": ["error"],
        "no-iterator": ["error"],
        "no-loop-func": ["off"],
        "no-multi-str": ["error"],
        "require-yield": ["error"],
        "valid-typeof": ["error"],
        "no-proto": ["error"],
        "no-script-url": ["error"],
        "no-shadow": ["error"],
        "dot-notation": ["error"],
        "no-new-func": ["error"],
        "no-new-object": ["error"],
        "mocha/no-mocha-arrows": ["off"]
    },
    "plugins": [
        "mocha"
    ],
    // Custom Globals
    "globals": {
      "require"  : false,
      "module"   : false,
      "Promise"  : false,
      "GLOBAL"   : false,
      "angular"  : false,
      "moment"   : false,
      "inject"   : false,
      "config"   : false,
      "spyOn"    : false,
      "mock"     : false,
      "expect"   : false,
      "$"        : false,
      "sinon"    : false
    }        // additional predefined global variables
}