import js from '@eslint/js';
import tseslint from 'typescript-eslint';
import globals from 'globals';

// Flat config (ESLint 9). Real linting — replaces the previous no-op `echo`.
// Next.js-specific rules are intentionally omitted to keep the install
// self-contained; correctness rules from the recommended sets fail CI.
export default tseslint.config(
  { ignores: ['.next/**', 'coverage/**', 'node_modules/**', 'next-env.d.ts'] },
  js.configs.recommended,
  ...tseslint.configs.recommended,
  {
    files: ['**/*.{ts,tsx,mts,cts}'],
    languageOptions: {
      globals: { ...globals.browser, ...globals.node },
      parserOptions: { ecmaFeatures: { jsx: true } },
    },
    rules: {
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-unused-vars': [
        'warn',
        { argsIgnorePattern: '^_', varsIgnorePattern: '^_', caughtErrors: 'none' },
      ],
    },
  },
);