eslint.config.mjs

// eslint.config.mjs
import js from '@eslint/js';

// Define globals for the environments you want to support
const envGlobals = {
  node: {
    require: "readonly",
    module: "readonly",
    process: "readonly",
    __dirname: "readonly",
    __filename: "readonly",
    exports: "readonly",
    console: "readonly",
    global: "readonly",
    setTimeout: "readonly",
    setInterval: "readonly",
    clearTimeout: "readonly",
    clearInterval: "readonly",
    Buffer: "readonly",
  },
  browser: {
    window: "readonly",
    document: "readonly",
    navigator: "readonly",
    console: "readonly",
    alert: "readonly",
    fetch: "readonly",
    location: "readonly",
    history: "readonly",
    localStorage: "readonly",
    sessionStorage: "readonly",
    setTimeout: "readonly",
    clearTimeout: "readonly",
    setInterval: "readonly",
    clearInterval: "readonly",
  },
  es6: {
    Promise: "readonly",
    Symbol: "readonly",
    Map: "readonly",
    Set: "readonly",
    WeakMap: "readonly",
    WeakSet: "readonly",
    Proxy: "readonly",
    Reflect: "readonly",
    globalThis: "readonly",
  },
  mocha: {
    describe: "readonly",
    it: "readonly",
    before: "readonly",
    after: "readonly",
    beforeEach: "readonly",
    afterEach: "readonly",
    context: "readonly",
  }
};

export default [
  {
    languageOptions: {
      ecmaVersion: 2020,
      sourceType: 'module',
      globals: {
        ...envGlobals.node,
        ...envGlobals.browser,
        ...envGlobals.es6,
        ...envGlobals.mocha,
      },
    },
    rules: {
      'no-irregular-whitespace': ['error', {
        skipStrings: true,       // Skip irregular whitespace in strings
        skipComments: true,      // Skip irregular whitespace in comments
        skipRegExps: true,      // (Optional) Include or skip RegExps
        skipTemplates: true,    // (Optional) Include or skip template literals
      }],
    },
  },
  js.configs.recommended,
];