.eslintrc

{
    "extends": "eslint:recommended",
    "parserOptions": {
      "ecmaVersion": 2017,
      "sourceType": "module"
    },
    "env": {
      "node": true,
      "es6": true
    },
    "rules": {
      "array-bracket-spacing": ["error", "never"],
      "arrow-body-style": "off",
      "arrow-parens": [2, "as-needed"],
      "block-scoped-var": "error",
      "block-spacing": ["error", "always"],
      "brace-style": "error",
      "comma-dangle": ["error", "always-multiline"],
      "comma-spacing": "error",
      "comma-style": "error",
      "complexity": ["error", 8],
      "computed-property-spacing": ["error", "never"],
      "curly": ["error", "multi-line"],
      "dot-location": ["error", "property"],
      "dot-notation": "error",
      "eqeqeq": ["error", "allow-null"],
      "guard-for-in": "error",
      "indent": ["error", 2, {"SwitchCase": 1}],
      "key-spacing": ["error"],
      "keyword-spacing": "error",
      "no-alert": "error",
      "no-bitwise": "error",
      "no-caller": "error",
      "no-case-declarations": "error",
      "no-cond-assign": ["error", "except-parens"],
      "no-console": "off",
      "no-const-assign": "error",
      "no-debugger": "error",
      "no-div-regex": "error",
      "no-duplicate-imports": "error",
      "no-else-return": "error",
      "no-empty": "error",
      "no-eval": "error",
      "no-extend-native": "error",
      "no-irregular-whitespace": "error",
      "no-iterator": "error",
      "no-lone-blocks": "error",
      "no-loop-func": "error",
      "no-multiple-empty-lines": "error",
      "no-multi-spaces": "error",
      "no-multi-str": "error",
      "no-new-wrappers": "error",
      "no-proto": "error",
      "no-return-assign": "error",
      "no-script-url": "error",
      "no-self-compare": "error",
      "no-sequences": "error",
      "no-spaced-func": "error",
      "no-shadow": "error",
      "no-undef": "error",
      "no-undef-init": "error",
      "no-unexpected-multiline": "error",
      "no-unneeded-ternary": "error",
      "no-unused-vars": ["error", {"args": "none"}],
      "no-useless-concat": "error",
      "no-useless-escape": "off",
      "no-var": "error",
      "no-whitespace-before-property": "error",
      "no-with": "error",
      "object-curly-spacing": ["error", "always"],
      "one-var": ["error", "never"],
      "operator-linebreak": ["error", "before", { "overrides": { "?": "after", ":": "after" } }],
      "padded-blocks": ["error", "never"],
      "prefer-const": "error",
      "prefer-template": "error",
      "quotes": ["error", "single"],
      "quote-props": ["error", "consistent"],
      "radix": ["error", "always"],
      "semi": ["error", "always"],
      "semi-spacing": ["error", {"before": false, "after": true }],
      "space-before-blocks": "error",
      "space-before-function-paren": ["error", "never"],
      "space-in-parens": ["error", "never"],
      "spaced-comment": ["error", "always"],
      "space-infix-ops": "error",
      "strict": "off",
      "template-curly-spacing": ["error", "always"],
      "valid-typeof": "error",
      "wrap-iife": ["error", "inside"]
    }
  }