Files
tessera-ctl/apps/web/src/components/theme-toggle.tsx
T
schalli b80db49c5e style(web): dunkle App-Leiste und Fluent-Seitenleiste
Kopfzeile 48 px dunkel mit Seitentitel statt immer Startseite,
Dashboard-Reiter mit Akzent-Unterstrich; Seitenleiste mit
Auswahlpille, Modul-Kacheln, aufgeklappten Kategorien und gefuelltem
Suchfeld; eingeklappt nur Kacheln. Einheitlicher PageHeader.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-09-25 14:32:37 +02:00

103 lines
2.9 KiB
TypeScript

'use client';
import { useTheme } from 'next-themes';
import { useTranslations } from 'next-intl';
import { useEffect, useState } from 'react';
export function ThemeToggle() {
const { theme, setTheme } = useTheme();
const t = useTranslations('theme');
const [mounted, setMounted] = useState(false);
useEffect(() => {
setMounted(true);
}, []);
function cycleTheme() {
if (theme === 'light') {
setTheme('dark');
} else if (theme === 'dark') {
setTheme('system');
} else {
setTheme('light');
}
}
const label = mounted
? theme === 'light'
? t('light')
: theme === 'dark'
? t('dark')
: t('system')
: '';
return (
<button
type="button"
onClick={cycleTheme}
className="inline-flex h-8 w-8 items-center justify-center rounded-md text-appbar-muted hover:bg-appbar-hover hover:text-appbar-foreground transition-colors focus-visible:outline-2 focus-visible:outline-offset-[-2px] focus-visible:outline-appbar-foreground"
aria-label={label}
title={label}
>
{!mounted ? (
<span className="h-5 w-5" />
) : theme === 'light' ? (
<svg
aria-hidden="true"
xmlns="http://www.w3.org/2000/svg"
width="20"
height="20"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
strokeLinecap="round"
strokeLinejoin="round"
>
<circle cx="12" cy="12" r="5" />
<line x1="12" y1="1" x2="12" y2="3" />
<line x1="12" y1="21" x2="12" y2="23" />
<line x1="4.22" y1="4.22" x2="5.64" y2="5.64" />
<line x1="18.36" y1="18.36" x2="19.78" y2="19.78" />
<line x1="1" y1="12" x2="3" y2="12" />
<line x1="21" y1="12" x2="23" y2="12" />
<line x1="4.22" y1="19.78" x2="5.64" y2="18.36" />
<line x1="18.36" y1="5.64" x2="19.78" y2="4.22" />
</svg>
) : theme === 'dark' ? (
<svg
aria-hidden="true"
xmlns="http://www.w3.org/2000/svg"
width="20"
height="20"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
strokeLinecap="round"
strokeLinejoin="round"
>
<path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z" />
</svg>
) : (
<svg
aria-hidden="true"
xmlns="http://www.w3.org/2000/svg"
width="20"
height="20"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
strokeLinecap="round"
strokeLinejoin="round"
>
<rect x="2" y="3" width="20" height="14" rx="2" ry="2" />
<line x1="8" y1="21" x2="16" y2="21" />
<line x1="12" y1="17" x2="12" y2="21" />
</svg>
)}
</button>
);
}