eslint.config.js

const js = require("@eslint/js");

module.exports = [
  js.configs.recommended,
  {
    languageOptions: {
      ecmaVersion: 2021,
      sourceType: 'module',
      globals: {
        global: 'readonly',
        process: 'readonly',
        Buffer: 'readonly',
        __dirname: 'readonly',
        __filename: 'readonly',
        exports: 'writable',
        module: 'readonly',
        require: 'readonly',
        console: 'readonly',
        setTimeout: 'readonly',
        clearTimeout: 'readonly',
        setInterval: 'readonly',
        clearInterval: 'readonly',
        // Jest globals
        describe: 'readonly',
        test: 'readonly',
        expect: 'readonly',
        beforeEach: 'readonly',
        afterEach: 'readonly',
        beforeAll: 'readonly',
        afterAll: 'readonly',
        jest: 'readonly',
        it: 'readonly'
      }
    },
    rules: {
      'no-console': 'off',
      'no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
      'prefer-const': 'error',
      'no-var': 'error',
      'eqeqeq': 'error',
      'no-eval': 'error',
      'no-implied-eval': 'error',
      'no-new-func': 'error',
      'no-script-url': 'error',
      'no-alert': 'error',
      'no-debugger': 'error',
      'no-unreachable': 'error',
      'consistent-return': 'error',
      'curly': 'error',
      'default-case': 'error',
      'dot-notation': 'error',
      'no-else-return': 'error',
      'no-empty-function': 'warn',
      'no-magic-numbers': 'off',
      'no-multi-spaces': 'error',
      'no-redeclare': 'error',
      'no-return-assign': 'error',
      'no-self-assign': 'error',
      'no-self-compare': 'error',
      'no-throw-literal': 'error',
      'no-unmodified-loop-condition': 'error',
      'no-unused-expressions': 'error',
      'no-useless-call': 'error',
      'no-useless-return': 'error',
      'radix': 'error',
      'require-await': 'error',
      'yoda': 'error'
    }
  }
];