mosaicmap/components/theme-toggle.tsx
2025-07-17 22:57:07 +08:00

57 lines
2.0 KiB
TypeScript

'use client'
import * as React from 'react'
import { useState, useEffect } from 'react'
import { Moon, Sun, Monitor } from 'lucide-react'
import { useTheme } from '@/components/theme-provider'
import { Button } from '@/components/ui/button'
import {
DropdownMenu,
DropdownMenuContent,
DropdownMenuItem,
DropdownMenuTrigger,
} from '@/components/ui/dropdown-menu'
export function ThemeToggle() {
const { setTheme } = useTheme()
const [mounted, setMounted] = useState(false)
useEffect(() => {
setMounted(true)
}, [])
if (!mounted) {
return (
<Button variant="outline" size="icon" disabled>
<Sun className="h-[1.2rem] w-[1.2rem]" />
<span className="sr-only">Loading theme</span>
</Button>
)
}
return (
<DropdownMenu>
<DropdownMenuTrigger asChild>
<Button variant="outline" size="icon">
<Sun className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
<Moon className="absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
<span className="sr-only">Toggle theme</span>
</Button>
</DropdownMenuTrigger>
<DropdownMenuContent align="end">
<DropdownMenuItem onClick={() => setTheme('light')}>
<Sun className="mr-2 h-4 w-4" />
<span>Light</span>
</DropdownMenuItem>
<DropdownMenuItem onClick={() => setTheme('dark')}>
<Moon className="mr-2 h-4 w-4" />
<span>Dark</span>
</DropdownMenuItem>
<DropdownMenuItem onClick={() => setTheme('system')}>
<Monitor className="mr-2 h-4 w-4" />
<span>System</span>
</DropdownMenuItem>
</DropdownMenuContent>
</DropdownMenu>
)
}