.eslintrc.json

{
  "env": {
    "node": true
  },
  "extends": "eslint:recommended",
  "rules": {
    "array-bracket-spacing": "error",
    "array-callback-return": "error",
    "block-scoped-var": "error",
    "block-spacing": "error",
    "brace-style": [
      "error",
      "stroustrup",
      {
        "allowSingleLine": true
      }
    ],
    "comma-spacing": "error",
    "comma-style": [
      "error",
      "last"
    ],
    "computed-property-spacing": "error",
    "curly": "error",
    "dot-location": [
      "error",
      "property"
    ],
    "dot-notation": "error",
    "eol-last": "error",
    "eqeqeq": "error",
    "func-style": [
      "error",
      "declaration"
    ],
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 1,
        "VariableDeclarator": 2
      }
    ],
    "key-spacing": [
      "error",
      {
        "beforeColon": false,
        "afterColon": true,
        "mode": "minimum"
      }
    ],
    "keyword-spacing": "error",
    "linebreak-style": "error",
    "new-parens": "error",
    "no-array-constructor": "error",
    "no-caller": "error",
    "no-console": "off",
    "no-else-return": "error",
    "no-eq-null": "error",
    "no-eval": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-extra-label": "error",
    "no-extra-parens": "error",
    "no-floating-decimal": "error",
    "no-implied-eval": "error",
    "no-iterator": "error",
    "no-lone-blocks": "error",
    "no-lonely-if": "error",
    "no-multiple-empty-lines": "error",
    "no-multi-spaces": "error",
    "no-multi-str": "error",
    "no-native-reassign": "error",
    "no-negated-condition": "error",
    "no-new-wrappers": "error",
    "no-new-object": "error",
    "no-octal-escape": "error",
    "no-path-concat": "error",
    "no-process-env": "error",
    "no-proto": "error",
    "no-return-assign": "error",
    "no-script-url": "error",
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-shadow-restricted-names": "error",
    "no-spaced-func": "error",
    "no-throw-literal": "error",
    "no-trailing-spaces": "error",
    "no-undef-init": "error",
    "no-undefined": "error",
    "no-unmodified-loop-condition": "error",
    "no-unneeded-ternary": "error",
    "no-unused-expressions": "error",
    "no-use-before-define": [
      "error",
      "nofunc"
    ],
    "no-useless-call": "error",
    "no-useless-concat": "error",
    "no-useless-escape": "error",
    "no-void": "error",
    "no-whitespace-before-property": "error",
    "no-with": "error",
    "object-curly-spacing": [
      "error",
      "always"
    ],
    "operator-assignment": [
      "error",
      "always"
    ],
    "operator-linebreak": [
      "error",
      "after"
    ],
    "quote-props": [
      "error",
      "as-needed"
    ],
    "quotes": [
      "error",
      "single"
    ],
    "semi": "error",
    "semi-spacing": "error",
    "space-before-blocks": "error",
    "space-before-function-paren": [
      "error",
      "never"
    ],
    "space-in-parens": "error",
    "space-infix-ops": "error",
    "space-unary-ops": "error",
    "spaced-comment": [
      "error",
      "always",
      {
        "markers": [
          "!"
        ]
      }
    ],
    "strict": "error",
    "wrap-iife": [
      "error",
      "inside"
    ],
    "yoda": "error"
  }
}