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';

export default tseslint.config({
  extends: [js.configs.recommended, ...tseslint.configs.recommended],
  files: ['**/*.{ts,tsx}'],
  ignores: ['dist', 'eslint.config.js', 'node_modules'],
  languageOptions: {
    ecmaVersion: 2020,
    globals: globals.browser,
  },
  plugins: {
    'react-hooks': reactHooks,
    'react-refresh': reactRefresh,
  },
  rules: {
    ...reactHooks.configs.recommended.rules,
    'react-refresh/only-export-components': ['warn', { allowConstantExport: true }],
    // ESLintの標準ルールを無効化
    'no-unused-expressions': 'off',
    // typescript-eslintのルールを明示的に設定
    '@typescript-eslint/no-unused-expressions': [
      'error',
      {
        allowShortCircuit: true,
        allowTernary: true,
        allowTaggedTemplates: true,
      },
    ],
  },
});