.eslintrc.json

{
  "extends": "eslint:recommended",
  "env": {
    "browser": true,
    "es6": true,
    "node": true
  },
  "globals": {
    "describe": false,
    "it": false,
    "$": false,
    "before": false,
    "beforeEach": false,
    "after": false,
    "afterEach": false,
    "expect": false
  },
  "parserOptions": {
    "ecmaVersion": 8
  },
  "rules": {
    "no-console": "off",
    "no-constant-condition": "off",
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 1
      }
    ],
    "linebreak-style": ["error", "unix"],
    "semi": ["error", "always"],
    "keyword-spacing": ["error"],
    "array-bracket-spacing": [2, "never"],
    "space-in-parens": [2, "never"],
    "key-spacing": 2,
    "one-var": [2, "never"],
    "no-trailing-spaces": 2,
    "func-call-spacing": 2,
    "no-with": 2,
    "spaced-comment": [2, "always"],
    "space-infix-ops": 2,
    "comma-style": [2, "last"],
    "space-before-blocks": [2, "always"],
    "eol-last": 2,
    "dot-notation": 2
  }
}