feat: add basic webui

packages/design-system/components/mode-toggle.tsx

@@ -0,0 +1,44 @@
+'use client';
+
+import { MoonIcon, SunIcon } from '@radix-ui/react-icons';
+import { useTheme } from 'next-themes';
+import { Button } from '../components/ui/button';
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger,
+} from '../components/ui/dropdown-menu';
+
+const themes = [
+  { label: 'Light', value: 'light' },
+  { label: 'Dark', value: 'dark' },
+  { label: 'System', value: 'system' },
+];
+
+export const ModeToggle = () => {
+  const { setTheme } = useTheme();
+
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger asChild>
+        <Button
+          variant="outline"
+          size="icon"
+          className="shrink-0 text-foreground"
+        >
+          <SunIcon className="dark:-rotate-90 h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:scale-0" />
+          <MoonIcon 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>
+        {themes.map(({ label, value }) => (
+          <DropdownMenuItem key={value} onClick={() => setTheme(value)}>
+            {label}
+          </DropdownMenuItem>
+        ))}
+      </DropdownMenuContent>
+    </DropdownMenu>
+  );
+};