.eslintrc.json

{
  "extends": "eslint:recommended",
  "env": {
    "node": true,
    "mocha": true,
    "es6": true
  },
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module"
  },
  "rules": {
    "block-scoped-var": 2,
    "curly": [2, "all"],
    "dot-location": [2, "property"],
    "eqeqeq": 2,
    "guard-for-in": 2,
    "no-alert": 2,
    "no-caller": 2,
    "no-case-declarations": 2,
    "no-div-regex": 2,
    "no-else-return": 2,
    "no-empty-pattern": 2,
    "no-eq-null": 2,
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-fallthrough": 2,
    "no-floating-decimal": 2,
    "no-implicit-coercion": [2, {"boolean": true, "number": true, "string": true}],
    "no-implied-eval": 2,
    "no-invalid-this": 2,
    "no-labels": 2,
    "no-lone-blocks": 2,
    "no-loop-func": 2,
    "no-magic-numbers": [2, {"enforceConst": true, "detectObjects": false}],
    "no-multi-spaces": 2,
    "no-multi-str": 2,
    "no-native-reassign": 2,
    "no-new-func": 2,
    "no-new-wrappers": 2,
    "no-new": 2,
    "no-octal-escape": 2,
    "no-proto": 2,
    "no-redeclare": 2,
    "no-return-assign": 2,
    "no-script-url": 2,
    "no-self-compare": 2,
    "no-sequences": 2,
    "no-throw-literal": 2,
    "no-unused-expressions": 2,
    "no-useless-call": 2,
    "no-useless-concat": 2,
    "no-void": 2,
    "no-with": 2,
    "wrap-iife": [2, "any"],

    "no-undef": 2,
    "no-unused-vars": 2,
    "no-use-before-define": [2, "nofunc"],

    "no-mixed-requires": 2,
    "no-new-require": 2,
    "no-path-concat": 2
  }
}