eslint.config.mjs

import js from '@eslint/js';
import globals from 'globals';
import typescript from '@typescript-eslint/eslint-plugin';
import typescriptParser from '@typescript-eslint/parser';
import react from 'eslint-plugin-react';
import reactHooks from 'eslint-plugin-react-hooks';
import jsxA11y from 'eslint-plugin-jsx-a11y';
import importPlugin from 'eslint-plugin-import';

export default [
  // Ignore patterns
  {
    ignores: [
      '**/node_modules/**',
      'build/**',
      'dist/**',
      '.cache/**',
      'public/build/**',
      '**/.*',
      'server/dist/**',
      'server/src/functions/ssr.ts',
      'tailwind.config.ts',
      'vite.config.ts',
    ],
  },

  // Base configuration with plugins
  {
    plugins: {
      '@typescript-eslint': typescript,
      react: react,
      'react-hooks': reactHooks,
      'jsx-a11y': jsxA11y,
      import: importPlugin,
    },
  },

  js.configs.recommended,

  // Strict rules for app files
  {
    files: ['**/*.{ts,tsx}'],
    languageOptions: {
      parser: typescriptParser,
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module',
        project: './tsconfig.json',
        tsconfigRootDir: '.',
      },
      globals: {
        ...globals.browser,
        ...globals.es2022,
        ...globals.node,
        React: 'readonly',
      },
    },
    settings: {
      react: {
        version: 'detect',
      },
      'import/resolver': {
        typescript: true,
        node: true,
      },
    },
    rules: {
      ...typescript.configs.recommended.rules,
      ...react.configs.recommended.rules,
      ...reactHooks.configs.recommended.rules,
      ...jsxA11y.configs.recommended.rules,
      ...importPlugin.configs.recommended.rules,
      'react/react-in-jsx-scope': 'off',
      '@typescript-eslint/no-unused-expressions': 'error',
      'no-empty': 'error',
      'no-undef': 'error',
      '@typescript-eslint/no-unused-vars': 'error',
      'react-hooks/rules-of-hooks': 'error',
      'react-hooks/exhaustive-deps': 'warn',
    },
  },

  // Relaxed rules for other files
  {
    files: ['**/*.{js,jsx,ts,tsx}'],
    rules: {
      '@typescript-eslint/no-unused-expressions': 'off',
      'no-empty': 'warn',
      'no-undef': 'warn',
      '@typescript-eslint/no-unused-vars': 'warn',
    },
  },
];