livedash-node/components/ui/theme-toggle.tsx

"use client";

import * as React from "react";
import { Moon, Sun } 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 } = useTheme();

  return (
    <DropdownMenu>
      <DropdownMenuTrigger asChild>
        <Button variant="ghost" size="sm" className="h-8 w-8 px-0">
          <Sun className="rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
          <Moon className="absolute 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")}>
          Light
        </DropdownMenuItem>
        <DropdownMenuItem onClick={() => setTheme("dark")}>
          Dark
        </DropdownMenuItem>
        <DropdownMenuItem onClick={() => setTheme("system")}>
          System
        </DropdownMenuItem>
      </DropdownMenuContent>
    </DropdownMenu>
  );
}

export function SimpleThemeToggle() {
  const { theme, setTheme } = useTheme();
  const [mounted, setMounted] = React.useState(false);

  React.useEffect(() => {
    setMounted(true);
  }, []);

  if (!mounted) {
    return (
      <Button variant="ghost" size="sm" className="h-8 w-8 px-0">
        <Sun className="h-4 w-4" />
        <span className="sr-only">Toggle theme</span>
      </Button>
    );
  }

  return (
    <Button
      variant="ghost"
      size="sm"
      className="h-8 w-8 px-0"
      onClick={() => setTheme(theme === "dark" ? "light" : "dark")}
    >
      <Sun className="h-4 w-4 rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
      <Moon className="absolute h-4 w-4 rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
      <span className="sr-only">Toggle theme</span>
    </Button>
  );
}