eslint.config.js

import js from '@eslint/js';
import tanStackQuery from '@tanstack/eslint-plugin-query';
import prettierRecommended from 'eslint-plugin-prettier/recommended';
import react from 'eslint-plugin-react';
import reactHooks from 'eslint-plugin-react-hooks';
import reactRefresh from 'eslint-plugin-react-refresh';
import storybook from 'eslint-plugin-storybook';
import unusedImports from 'eslint-plugin-unused-imports';
import globals from 'globals';
import tseslint from 'typescript-eslint';

// NOTE: tseslint.config를 [] 에 감싸서 내보내면 CLI가 제대로 동작하지 않음
export default tseslint.config(
  {
    extends: [
      js.configs.recommended,
      ...tseslint.configs.recommended,
      ...tanStackQuery.configs['flat/recommended'], // @see https://tanstack.com/query/v5/docs/eslint/eslint-plugin-query#recommended-setup
      prettierRecommended,
    ],
    files: ['**/*.{js,jsx,ts,tsx}'],
    ignores: ['dist', 'node_modules', 'public'],
    languageOptions: {
      ecmaVersion: 2020,
      globals: globals.browser,
    },
    plugins: {
      'react-hooks': reactHooks,
      'react-refresh': reactRefresh,
      react,
      'unused-imports': unusedImports,
    },
    rules: {
      ...reactHooks.configs.recommended.rules,
      'react/react-in-tsx-scope': 'off',
      'react/react-in-jsx-scope': 'off',
      'react-refresh/only-export-components': [
        'warn',
        { allowConstantExport: true },
      ],
      'unused-imports/no-unused-imports': 'error',
      'unused-imports/no-unused-vars': [
        'warn',
        {
          vars: 'all',
          varsIgnorePattern: '^_',
          args: 'after-used',
          argsIgnorePattern: '^_',
        },
      ],
      'no-multiple-empty-lines': 'error',
      'no-unused-vars': 'off',
      '@typescript-eslint/no-unused-vars': [
        'warn',
        {
          args: 'after-used',
          argsIgnorePattern: '^_',
          vars: 'all',
          varsIgnorePattern: '^_',
        },
      ],
      eqeqeq: 'error',
    },
  },
  {
    files: ['**/*.stories.{ts,tsx}'],
    extends: [storybook.configs['flat/recommended']],
  },
);