.eslintrc

{
  "env": {
    "browser": true,
    "mocha": true,
    "jest": true,
    "node": true,
    "es6": true
  },
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "module"
  },
  "extends": "eslint:recommended",
  "rules": {
    "quotes": [
      2,
      "single",
      "avoid-escape"
    ],
    "prefer-const": "error",
    "no-compare-neg-zero": 0,
    "no-console": 0,
    "no-debugger": 2,
    "no-array-constructor": 2,
    "no-caller": 2,
    "no-catch-shadow": 2,
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-implied-eval": 2,
    "no-iterator": 2,
    "no-label-var": 2,
    "no-labels": 2,
    "no-lone-blocks": 2,
    "no-loop-func": 2,
    "no-multi-spaces": 2,
    "no-multi-str": 2,
    "no-native-reassign": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-object": 2,
    "no-new-wrappers": 2,
    "no-octal-escape": 2,
    "no-proto": 2,
    "no-return-assign": 2,
    "no-script-url": 2,
    "no-sequences": 2,
    "no-shadow": 2,
    "no-shadow-restricted-names": 2,
    "no-spaced-func": 2,
    "no-trailing-spaces": 2,
    "no-undef-init": 2,
    "no-unused-expressions": 2,
    "no-unused-vars": [
      2,
      {
        "vars": "all",
        "args": "after-used",
        "argsIgnorePattern": "^_"
      }
    ],
    "no-use-before-define": 2,
    "no-with": 2,
    "comma-spacing": 2,
    "curly": [
      2,
      "all"
    ],
    "dot-notation": [
      0,
      {
        "allowKeywords": true
      }
    ],
    "eol-last": 2,
    "no-extra-parens": [
      2,
      "functions"
    ],
    "eqeqeq": 2,
    "key-spacing": [
      2,
      {
        "beforeColon": false,
        "afterColon": true
      }
    ],
    "new-cap": 2,
    "new-parens": 2,
    "semi": 2,
    "semi-spacing": [
      2,
      {
        "before": false,
        "after": true
      }
    ],
    "space-infix-ops": 2,
    "keyword-spacing": 2,
    "space-unary-ops": [
      2,
      {
        "words": true,
        "nonwords": false
      }
    ],
    "yoda": [
      2,
      "never"
    ]
  }
}