.eslintrc

{
  "extends": "eslint:recommended",

  "env": {
    "es6": true,
    "node": true,
    "browser": true,
    "mocha": true
  },

  "rules": {
    "arrow-parens": 2,
    "arrow-spacing": [2,  {"before": true, "after": true}],
    "brace-style": [1, "1tbs"],
    "callback-return": [2, ["callback", "cb", "fn", "next"]],
    "comma-style": [1, "last"],
    "computed-property-spacing": [2, "never"],
    "eqeqeq": 2,
    "indent": [2, 2, {"SwitchCase": 1}],
    "linebreak-style": [2, "unix"],
    "no-class-assign": 2,
    "no-console": 0,
    "no-const-assign": 2,
    "no-inner-declarations": [2, "both"],
    "no-useless-call": 2,
    "object-curly-spacing": [2, "never"],
    "one-var": [2, "never"],
    "operator-assignment": [2, "never"],
    "operator-linebreak": [2, "after"],
    "prefer-spread": 2,
    "quotes": [2, "single"],
    "semi": [2, "always"],
    "space-after-keywords": 1,
    "space-before-blocks": 1,
    "space-before-function-paren": [1, "never"],
    "space-in-parens": 1,
    "space-infix-ops": 1,
    "space-return-throw-case": 1,
    "wrap-iife": [2, "inside"]
  }
}