.eslintrc.json

{
    "root": true,
    "env": {
      "browser": true,
      "commonjs": true,
      "node": true,
      "es6": true,
      "es2017": true,
      "es2018": true
    },
    "rules": {
      "no-undef-init": "error",
      "no-duplicate-case": "error",
      "no-empty": "error",
      "no-extra-semi": "error",
      "no-func-assign": "error",
      "no-irregular-whitespace": "error",
      "no-unreachable": "error",
      "curly": "error",
      "dot-notation": "error",
      "eqeqeq": "error",
      "no-empty-function": "error",
      "no-multi-spaces": "error",
      "no-mixed-spaces-and-tabs": "error",
      "no-trailing-spaces": "error",
      "default-case": "error",
      "no-fallthrough": "error",
      "no-unused-vars": "error",
      "no-use-before-define": "error",
      "no-redeclare": "error",
      "brace-style": "error",
      "indent": ["error", 2],
      "quotes": ["error", "single"],
      "semi": ["error", "always"],
      "radix": "off"
    },
    "extends": ["prettier"]
  }