.eslintrc.json

{
  "env": {
    "es6": false,
    "node": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "sourceType": "module"
  },
  "rules": {
    "prefer-const": "warn",
    "no-const-assign": "warn",
    "no-new-object": "error",
    "quote-props": "off",
    "no-unused-vars": "warn",
    "no-array-constructor": "error",
    "template-curly-spacing": "error",
    "no-useless-escape": "error",
    "wrap-iife": "warn",
    "no-loop-func": "error",
    "no-param-reassign": "warn",
    "no-console": "off",
    "linebreak-style": "off",
    "quotes": ["error", "single"],
    "semi": ["error", "always"],
    "no-useless-constructor": "error",
    "no-dupe-class-members": "error",
    "dot-notation": "error",
    "one-var": ["warn", "never"],
    "no-unneeded-ternary": "error",
    "no-undef": "warn",
    "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
    "space-before-blocks": ["error", "always"],
    "keyword-spacing": "error",
    "space-infix-ops": "error",
    "newline-per-chained-call": "warn",
    "padded-blocks": ["warn", "never"],
    "space-in-parens": "error",
    "array-bracket-spacing": "error",
    "max-len": ["warn", 120],
    "comma-style": "error",
    "camelcase": "warn",
    "new-cap": "warn",
    "no-extra-boolean-cast": "off"
  }
}