.eslintrc.json

{
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": 6
  },
  "env": {
    "node": true,
    "mocha": true,
    "es6": true
  },
  "rules": {
    "curly": [
      2,
      "all"
    ],
    "eqeqeq": [
      2,
      "allow-null"
    ],
    "no-alert": 2,
    "no-caller": 2,
    "no-console": 0,
    "no-empty-function": 2,
    "no-eval": 2,
    "no-multi-spaces": 2,
    "no-multi-str": 2,
    "no-native-reassign": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-wrappers": 2,
    "no-return-assign": 2,
    "no-script-url": 2,
    "no-sequences": 2,
    "no-unused-expressions": 2,
    "no-with": 2,
    "strict": [
      2,
      "global"
    ],
    "yoda": 2,
    "array-bracket-spacing": [
      2,
      "never"
    ],
    "brace-style": [
      2,
      "1tbs"
    ],
    "no-shadow": 2,
    "no-shadow-restricted-names": 2,
    "no-undef-init": 2,
    "camelcase": 2,
    "comma-spacing": 2,
    "eol-last": 2,
    "quotes": [
      2,
      "single",
      {
        "avoidEscape": true,
        "allowTemplateLiterals": true
      }
    ],
    "indent": [
      2,
      4,
      {
        "SwitchCase": 1
      }
    ],
    "key-spacing": [
      2,
      {
        "beforeColon": false,
        "afterColon": true
      }
    ],
    "keyword-spacing": 2,
    "new-cap": 2,
    "new-parens": 2,
    "no-array-constructor": 2,
    "no-multiple-empty-lines": [
      2,
      {
        "max": 2
      }
    ],
    "no-new-object": 2,
    "no-spaced-func": 2,
    "no-trailing-spaces": 2,
    "semi": 2,
    "semi-spacing": [
      2,
      {
        "before": false,
        "after": true
      }
    ],
    "space-before-blocks": [
      2,
      "always"
    ],
    "space-before-function-paren": [
      2,
      {
        "anonymous": "always",
        "named": "never"
      }
    ],
    "space-in-parens": [
      2,
      "never"
    ],
    "space-infix-ops": 2
  }
}