finance-calculator/components/theme-toggle.tsx
2025-06-14 21:26:38 +08:00

57 lines
1.9 KiB
TypeScript

"use client"
import * as React from "react"
import { Moon, Sun, Monitor } from "lucide-react"
import { useTheme } from "next-themes"
import { Button } from "@/components/ui/button"
import {
DropdownMenu,
DropdownMenuContent,
DropdownMenuItem,
DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu"
export function ThemeToggle() {
const { setTheme, theme } = useTheme()
const [mounted, setMounted] = React.useState(false)
React.useEffect(() => {
setMounted(true)
}, [])
if (!mounted) {
return (
<Button variant="outline" size="icon" disabled>
<Sun className="h-[1.2rem] w-[1.2rem]" />
<span className="sr-only"></span>
</Button>
)
}
return (
<DropdownMenu>
<DropdownMenuTrigger asChild>
<Button variant="outline" size="icon" className="bg-background hover:bg-accent hover:text-accent-foreground">
<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"></span>
</Button>
</DropdownMenuTrigger>
<DropdownMenuContent align="end" className="min-w-[160px]">
<DropdownMenuItem onClick={() => setTheme("light")} className="cursor-pointer">
<Sun className="mr-2 h-4 w-4" />
<span></span>
</DropdownMenuItem>
<DropdownMenuItem onClick={() => setTheme("dark")} className="cursor-pointer">
<Moon className="mr-2 h-4 w-4" />
<span></span>
</DropdownMenuItem>
<DropdownMenuItem onClick={() => setTheme("system")} className="cursor-pointer">
<Monitor className="mr-2 h-4 w-4" />
<span></span>
</DropdownMenuItem>
</DropdownMenuContent>
</DropdownMenu>
)
}