shadcn-ui/apps/www/registry/default/examples/breadcrumb-responsive.tsx

"use client"

import * as React from "react"
import Link from "next/link"

import { useMediaQuery } from "@/hooks/use-media-query"
import {
  Breadcrumb,
  BreadcrumbEllipsis,
  BreadcrumbItem,
  BreadcrumbLink,
  BreadcrumbList,
  BreadcrumbPage,
  BreadcrumbSeparator,
} from "@/registry/default/ui/breadcrumb"
import { Button } from "@/registry/default/ui/button"
import {
  Drawer,
  DrawerClose,
  DrawerContent,
  DrawerDescription,
  DrawerFooter,
  DrawerHeader,
  DrawerTitle,
  DrawerTrigger,
} from "@/registry/default/ui/drawer"
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from "@/registry/default/ui/dropdown-menu"

const items = [
  { href: "#", label: "Home" },
  { href: "#", label: "Documentation" },
  { href: "#", label: "Building Your Application" },
  { href: "#", label: "Data Fetching" },
  { label: "Caching and Revalidating" },
]

const ITEMS_TO_DISPLAY = 3

export default function BreadcrumbResponsive() {
  const [open, setOpen] = React.useState(false)
  const isDesktop = useMediaQuery("(min-width: 768px)")

  return (
    <Breadcrumb>
      <BreadcrumbList>
        <BreadcrumbItem>
          <BreadcrumbLink href={items[0].href}>{items[0].label}</BreadcrumbLink>
        </BreadcrumbItem>
        <BreadcrumbSeparator />
        {items.length > ITEMS_TO_DISPLAY ? (
          <>
            <BreadcrumbItem>
              {isDesktop ? (
                <DropdownMenu open={open} onOpenChange={setOpen}>
                  <DropdownMenuTrigger
                    className="flex items-center gap-1"
                    aria-label="Toggle menu"
                  >
                    <BreadcrumbEllipsis className="h-4 w-4" />
                  </DropdownMenuTrigger>
                  <DropdownMenuContent align="start">
                    {items.slice(1, -2).map((item, index) => (
                      <DropdownMenuItem key={index}>
                        <Link href={item.href ? item.href : "#"}>
                          {item.label}
                        </Link>
                      </DropdownMenuItem>
                    ))}
                  </DropdownMenuContent>
                </DropdownMenu>
              ) : (
                <Drawer open={open} onOpenChange={setOpen}>
                  <DrawerTrigger aria-label="Toggle Menu">
                    <BreadcrumbEllipsis className="h-4 w-4" />
                  </DrawerTrigger>
                  <DrawerContent>
                    <DrawerHeader className="text-left">
                      <DrawerTitle>Navigate to</DrawerTitle>
                      <DrawerDescription>
                        Select a page to navigate to.
                      </DrawerDescription>
                    </DrawerHeader>
                    <div className="grid gap-1 px-4">
                      {items.slice(1, -2).map((item, index) => (
                        <Link
                          key={index}
                          href={item.href ? item.href : "#"}
                          className="py-1 text-sm"
                        >
                          {item.label}
                        </Link>
                      ))}
                    </div>
                    <DrawerFooter className="pt-4">
                      <DrawerClose asChild>
                        <Button variant="outline">Close</Button>
                      </DrawerClose>
                    </DrawerFooter>
                  </DrawerContent>
                </Drawer>
              )}
            </BreadcrumbItem>
            <BreadcrumbSeparator />
          </>
        ) : null}
        {items.slice(-ITEMS_TO_DISPLAY + 1).map((item, index) => (
          <BreadcrumbItem key={index}>
            {item.href ? (
              <>
                <BreadcrumbLink
                  asChild
                  className="max-w-20 truncate md:max-w-none"
                >
                  <Link href={item.href}>{item.label}</Link>
                </BreadcrumbLink>
                <BreadcrumbSeparator />
              </>
            ) : (
              <BreadcrumbPage className="max-w-20 truncate md:max-w-none">
                {item.label}
              </BreadcrumbPage>
            )}
          </BreadcrumbItem>
        ))}
      </BreadcrumbList>
    </Breadcrumb>
  )
}