eslint.config.js

import eslint from '@eslint/js';
import tseslint from '@typescript-eslint/eslint-plugin';
import tsparser from '@typescript-eslint/parser';
import reactPlugin from 'eslint-plugin-react';
import reactHooksPlugin from 'eslint-plugin-react-hooks';
import unusedImports from 'eslint-plugin-unused-imports';
import importPlugin from 'eslint-plugin-import';

export default [
  eslint.configs.recommended,
  {
    files: ['**/*.{ts,tsx}'],
    languageOptions: {
      parser: tsparser,
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module',
        ecmaFeatures: {
          jsx: true,
        },
      },
      globals: {
        // Browser globals
        window: 'readonly',
        document: 'readonly',
        navigator: 'readonly',
        localStorage: 'readonly',
        console: 'readonly',
        // Test globals
        HTMLSelectElement: 'readonly',
        Response: 'readonly',
        addEventListener: 'readonly',
      },
    },
    plugins: {
      '@typescript-eslint': tseslint,
      react: reactPlugin,
      'react-hooks': reactHooksPlugin,
      'unused-imports': unusedImports,
      import: importPlugin,
    },
    rules: {
      // TypeScript specific rules
      '@typescript-eslint/no-unused-vars': 'off', // Turned off in favor of unused-imports
      '@typescript-eslint/explicit-function-return-type': 'off',
      '@typescript-eslint/explicit-module-boundary-types': 'off',
      '@typescript-eslint/no-explicit-any': 'warn',

      // React rules
      'react/react-in-jsx-scope': 'off', // Not needed in modern React
      'react/prop-types': 'off', // We use TypeScript for prop validation
      'react/jsx-uses-react': 'off',
      'react/jsx-uses-vars': 'error',
      'react-hooks/rules-of-hooks': 'error',
      'react-hooks/exhaustive-deps': 'warn',

      // Import and unused imports rules
      'unused-imports/no-unused-imports': 'error',
      'unused-imports/no-unused-vars': [
        'warn',
        {
          vars: 'all',
          varsIgnorePattern: '^_',
          args: 'after-used',
          argsIgnorePattern: '^_',
        },
      ],
      'import/order': [
        'error',
        {
          groups: [
            'builtin',
            'external',
            'internal',
            ['parent', 'sibling'],
            'index',
            'object',
            'type',
          ],
          'newlines-between': 'always',
          alphabetize: {
            order: 'asc',
            caseInsensitive: true,
          },
        },
      ],
    },
    settings: {
      react: {
        version: 'detect',
      },
    },
  },
  {
    ignores: [
      'node_modules/',
      'dist/',
      '.astro/',
      'coverage/',
      '*.config.js',
      '*.config.ts',
      'compute-js/',
    ],
  },
];