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feat(ux): dark/light theme + en/ja i18n + user preferences

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UX全体にテーマと言語設定を追加。

- lib/db/migrations/004_user_prefs.sql: users に theme/locale 列を追加(既定 dark/en)
- lib/i18n/: dictionary(en/ja) + I18nProvider(クライアントcontext: locale/theme/t/setLocale/setTheme) + server.ts(SSR用 getLocale/getTheme/translate) + constants.ts
- app/layout.tsx: theme/locale Cookie を読み <html class/lang> をSSR、I18nProvider でラップ(フラッシュなし)
- tailwind darkMode:'class' + 全画面に dark: バリアントを一括付与(Nodeスクリプト lookbehind で安全に変換)
- components/layout/ThemeToggle: 即時クラス切替+Cookie+永続化
- app/profile: テーマ/言語セレクタ、chrome翻訳(Header/ProjectNav/login/dashboard/profile)
- PATCH /api/users/me: theme/locale を受理(バリデーション→400)、Cookieを設定
- E2E: locale=ja storageState で既存JAアサーションを維持、theme-i18n.spec で既定en/darkと切替を検証
This commit is contained in:
Ken Yasue
2026-06-25 11:37:44 +02:00
parent 6a134a29bd
commit 921cdc457d
74 changed files with 1092 additions and 279 deletions
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31
components/layout/Header.tsx
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@ -3,9 +3,12 @@
import { useRouter } from 'next/navigation';
import type { PublicUser } from '@/lib/auth/getCurrentUser';
import { NotificationBadge } from '@/components/notifications/NotificationBadge';
import { ThemeToggle } from '@/components/layout/ThemeToggle';
import { useI18n } from '@/lib/i18n/I18nProvider';
export function Header({ user }: { user: PublicUser }) {
const router = useRouter();
const { t } = useI18n();
async function handleLogout() {
await fetch('/api/auth/logout', { method: 'POST' });
@ -14,24 +17,34 @@ export function Header({ user }: { user: PublicUser }) {
}
return (
<header className="flex items-center justify-between border-b bg-white px-6 py-3">
<a href="/dashboard" className="font-bold text-gray-800">
シンプルグループウェア
<header className="flex items-center justify-between border-b bg-white px-6 py-3 dark:border-gray-700 dark:bg-gray-800">
<a
href="/dashboard"
className="font-bold text-gray-800 dark:text-gray-100"
>
{t('app.name')}
</a>
<nav className="flex items-center gap-4 text-sm">
<a href="/dashboard" className="text-gray-600 hover:underline">
ダッシュボード
<a
href="/dashboard"
className="text-gray-600 hover:underline dark:text-gray-300"
>
{t('nav.dashboard')}
</a>
<ThemeToggle />
<NotificationBadge />
<a href="/profile" className="text-gray-600 hover:underline">
{user.name} さん
<a
href="/profile"
className="text-gray-600 hover:underline dark:text-gray-300"
>
{user.name}
</a>
<button
type="button"
onClick={handleLogout}
className="text-blue-600 hover:underline"
className="text-blue-600 hover:underline dark:text-blue-400"
>
ログアウト
{t('header.logout')}
</button>
</nav>
</header>