eslint.config.js

import js from '@eslint/js';
import globals from 'globals';
import reactHooks from 'eslint-plugin-react-hooks';
import reactRefresh from 'eslint-plugin-react-refresh';
import tseslint from 'typescript-eslint';
import unusedImports from 'eslint-plugin-unused-imports';
import eslintPluginImportX from 'eslint-plugin-import-x';
import eslintConfigPrettier from 'eslint-config-prettier';
import eslintPluginReactCompiler from 'eslint-plugin-react-compiler';
import vitest from '@vitest/eslint-plugin';

export default tseslint.config(
  { ignores: ['dist', 'coverage'] },
  {
    extends: [
      js.configs.recommended,
      ...tseslint.configs.recommended,
      eslintPluginImportX.flatConfigs.recommended,
      eslintPluginImportX.flatConfigs.typescript,
      eslintConfigPrettier,
    ],
    files: ['**/*.{ts,tsx}'],
    languageOptions: {
      ecmaVersion: 2020,
      globals: globals.browser,
    },
    plugins: {
      'react-hooks': reactHooks,
      'react-refresh': reactRefresh,
      'unused-imports': unusedImports,
      'react-compiler': eslintPluginReactCompiler,
    },
    rules: {
      ...reactHooks.configs.recommended.rules,
      'react-compiler/react-compiler': 'warn',
      'react-refresh/only-export-components': ['warn', { allowConstantExport: true }],
      '@typescript-eslint/no-explicit-any': 'warn',
      'unused-imports/no-unused-imports': 'error',
      'unused-imports/no-unused-vars': [
        'warn',
        {
          vars: 'all',
          varsIgnorePattern: '^_',
          args: 'after-used',
          argsIgnorePattern: '^_',
        },
      ],
      'import-x/order': [
        'error',
        {
          groups: ['builtin', 'external', 'internal', 'parent', 'sibling', 'index'],
          'newlines-between': 'always',
          alphabetize: {
            order: 'asc',
            caseInsensitive: true,
          },
          pathGroups: [
            {
              pattern: '{react,react-dom/**}',
              group: 'builtin',
              position: 'before',
            },
            {
              pattern: '~/**',
              group: 'parent',
              position: 'before',
            },
          ],
          pathGroupsExcludedImportTypes: ['builtin'],
        },
      ],
      '@typescript-eslint/consistent-type-imports': ['error', { prefer: 'type-imports' }],
    },
    settings: {
      'import-x/parsers': {
        '@typescript-eslint/parser': ['.ts', '.tsx'],
      },
      'import-x/resolver': {
        typescript: true,
        node: true,
      },
    },
  },
  {
    files: ['**/*.stories.{ts,tsx}'],
    rules: {
      'react-hooks/rules-of-hooks': 'off',
    },
  },
  {
    files: ['**/*.test.{ts,tsx}'], // or any other pattern
    plugins: {
      vitest,
    },
    rules: {
      ...vitest.configs.recommended.rules, // you can also use vitest.configs.all.rules to enable all rules
      'vitest/max-nested-describe': ['error', { max: 3 }], // you can also modify rules' behavior using option like this
    },
  }
);