belowjs/eslint.config.js at main · patrick-morrison/belowjs · GitHub

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import js from '@eslint/js';

export default [
  js.configs.recommended,
  {
    languageOptions: {
      ecmaVersion: 2022,
      sourceType: 'module',
      globals: {
        console: 'readonly',
        document: 'readonly',
        window: 'readonly',
        navigator: 'readonly',
        HTMLElement: 'readonly',
        Element: 'readonly',
        Event: 'readonly',
        EventTarget: 'readonly',
        URL: 'readonly',
        URLSearchParams: 'readonly',
        requestAnimationFrame: 'readonly',
        cancelAnimationFrame: 'readonly',
        setTimeout: 'readonly',
        clearTimeout: 'readonly',
        setInterval: 'readonly',
        clearInterval: 'readonly',
        AbortController: 'readonly',
        performance: 'readonly',
        fetch: 'readonly',
        MutationObserver: 'readonly',
        Node: 'readonly',
        KeyboardEvent: 'readonly',
        CustomEvent: 'readonly'
      }
    },
    files: ['**/*.js'],
    ignores: [
      'node_modules/**',
      'dist/**',
      '.git/**',
      '*.min.js'
    ],
    rules: {
      // Code quality
      'no-unused-vars': ['warn', { argsIgnorePattern: '^_' }],
      'no-console': 'off', // Allow console for this library
      'prefer-const': 'warn',
      'no-var': 'error',

      // Style consistency
      'indent': ['warn', 2],
      'quotes': ['warn', 'single', { avoidEscape: true }],
      'semi': ['warn', 'always'],
      'comma-dangle': ['warn', 'never'],

      // Best practices
      'eqeqeq': ['error', 'always'],
      'no-eval': 'error',
      'no-implied-eval': 'error',
      'no-new-func': 'error',
      'no-script-url': 'error',

      // Potential issues
      'no-unreachable': 'error',
      'no-duplicate-case': 'error',
      'no-empty': 'warn',
      'no-irregular-whitespace': 'error'
    }
  }
];