.eslintrc.json

{
  "env": {
    "node": true,
    "es2021": true,
    "mocha": true
  },
  "plugins": [
    "import",
    "unicorn"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:import/recommended",
    "plugin:unicorn/recommended"
  ],
  "ignorePatterns": ["*.min.js"],
  "parserOptions": {
    "ecmaVersion": 2022,
    "sourceType": "module"
  },
  "rules": {
    "array-callback-return": [
      "error",
      {
        "checkForEach": true
      }
    ],
    "complexity": "error",
    "no-constructor-return": "error",
    "no-self-compare": "error",
    "no-template-curly-in-string": "warn",
    "no-unmodified-loop-condition": "warn",
    "no-unreachable-loop": "error",
    "require-atomic-updates": "error",
    "indent": [
      "error",
      4
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "quotes": [
      "error",
      "single"
    ],
    "semi": [
      "error",
      "never"
    ],
    "max-len": [
      "warn",
      160
    ],
    "eol-last": "error",
    "eqeqeq": [
      "error",
      "smart"
    ],
    "radix": "error",
    "dot-notation": "warn",
    "no-array-constructor": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-implicit-coercion": "error",
    "no-invalid-this": "error",
    "no-iterator": "error",
    "no-lonely-if": "error",
    "no-loop-func": "error",
    "no-multi-assign": "error",
    "no-negated-condition": "error",
    "no-undef-init": "error",
    "no-useless-call": "error",
    "no-useless-constructor": "error",
    "no-useless-return": "error",
    "prefer-arrow-callback": "warn",
    "prefer-template": "warn",

    "import/no-self-import": "error",
    "import/no-cycle": "error",
    "import/no-useless-path-segments": "error",
    "import/no-deprecated": "warn",
    "import/no-extraneous-dependencies": "error",
    "import/no-mutable-exports": "error",
    "import/first": "error",
    "import/no-duplicates": "error",
    "import/newline-after-import": "error",
    "import/extensions": [
      "error",
      "ignorePackages"
    ],

    "unicorn/no-null": "off",
    "unicorn/no-process-exit": "off",
    "unicorn/prefer-node-protocol": "off",
    "unicorn/prevent-abbreviations": "off",
    "unicorn/no-array-for-each": "warn",
    "unicorn/numeric-separators-style": "off",
    "unicorn/require-post-message-target-origin": "off",
    "unicorn/no-array-reduce": "off",
    "unicorn/prefer-dom-node-dataset": "off",
    "unicorn/switch-case-braces": "off"
  },
  "overrides": [{
    "env": {
      "browser": true
    },
    "files": ["./static/**/*.js"],
    "globals": {
      "QRCode": "readonly",
      "conf": "readonly",
      "screenScripts": "readonly",
      "lib_msg": "readonly",
      "lib_auth": "readonly",
      "lib_cmn": "readonly",
      "lib_api": "readonly",
      "lib_fmt": "readonly",
      "lib_errors": "readonly"
    }
  }]
}