shadcn-ui/apps/v4/examples/base/sidebar-header.tsx

"use client"

import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from "@/examples/base/ui/dropdown-menu"
import {
  Sidebar,
  SidebarHeader,
  SidebarInset,
  SidebarMenu,
  SidebarMenuButton,
  SidebarMenuItem,
  SidebarProvider,
  SidebarTrigger,
} from "@/examples/base/ui/sidebar"
import { ChevronDownIcon } from "lucide-react"

export default function AppSidebar() {
  return (
    <SidebarProvider>
      <Sidebar>
        <SidebarHeader>
          <SidebarMenu>
            <SidebarMenuItem>
              <DropdownMenu>
                <DropdownMenuTrigger
                  render={
                    <SidebarMenuButton className="data-[state=open]:bg-sidebar-accent data-[state=open]:text-sidebar-accent-foreground" />
                  }
                >
                  Select Workspace
                  <ChevronDownIcon className="ml-auto" />
                </DropdownMenuTrigger>
                <DropdownMenuContent className="w-(--radix-popper-anchor-width)">
                  <DropdownMenuItem>
                    <span>Acme Inc</span>
                  </DropdownMenuItem>
                  <DropdownMenuItem>
                    <span>Acme Corp.</span>
                  </DropdownMenuItem>
                </DropdownMenuContent>
              </DropdownMenu>
            </SidebarMenuItem>
          </SidebarMenu>
        </SidebarHeader>
      </Sidebar>
      <SidebarInset>
        <header className="flex h-12 items-center justify-between px-4">
          <SidebarTrigger />
        </header>
      </SidebarInset>
    </SidebarProvider>
  )
}