shadcn-ui/apps/v4/examples/base/navigation-menu-basic.tsx

import * as React from "react"
import Link from "next/link"
import {
  NavigationMenu,
  NavigationMenuContent,
  NavigationMenuItem,
  NavigationMenuLink,
  NavigationMenuList,
  NavigationMenuTrigger,
  navigationMenuTriggerStyle,
} from "@/examples/base/ui/navigation-menu"
import { CircleAlertIcon } from "lucide-react"

const components: { title: string; href: string; description: string }[] = [
  {
    title: "Alert Dialog",
    href: "/docs/primitives/alert-dialog",
    description:
      "A modal dialog that interrupts the user with important content and expects a response.",
  },
  {
    title: "Hover Card",
    href: "/docs/primitives/hover-card",
    description:
      "For sighted users to preview content available behind a link.",
  },
  {
    title: "Progress",
    href: "/docs/primitives/progress",
    description:
      "Displays an indicator showing the completion progress of a task, typically displayed as a progress bar.",
  },
  {
    title: "Scroll-area",
    href: "/docs/primitives/scroll-area",
    description: "Visually or semantically separates content.",
  },
  {
    title: "Tabs",
    href: "/docs/primitives/tabs",
    description:
      "A set of layered sections of content—known as tab panels—that are displayed one at a time.",
  },
  {
    title: "Tooltip",
    href: "/docs/primitives/tooltip",
    description:
      "A popup that displays information related to an element when the element receives keyboard focus or the mouse hovers over it.",
  },
]

function ListItem({
  title,
  children,
  href,
  ...props
}: React.ComponentPropsWithoutRef<"li"> & { href: string }) {
  return (
    <li {...props}>
      <NavigationMenuLink render={<Link href={href} />}>
        <div className="style-vega:text-sm style-maia:text-sm style-nova:text-sm style-lyra:text-xs style-mira:text-xs flex flex-col gap-1">
          <div className="leading-none font-medium">{title}</div>
          <div className="text-muted-foreground line-clamp-2">{children}</div>
        </div>
      </NavigationMenuLink>
    </li>
  )
}

export function NavigationMenuBasic() {
  return (
    <>
      <NavigationMenu>
        <NavigationMenuList>
          <NavigationMenuItem>
            <NavigationMenuTrigger>Getting started</NavigationMenuTrigger>
            <NavigationMenuContent>
              <ul className="w-96">
                <ListItem href="/docs" title="Introduction">
                  Re-usable components built with Tailwind CSS.
                </ListItem>
                <ListItem href="/docs/installation" title="Installation">
                  How to install dependencies and structure your app.
                </ListItem>
                <ListItem href="/docs/primitives/typography" title="Typography">
                  Styles for headings, paragraphs, lists...etc
                </ListItem>
              </ul>
            </NavigationMenuContent>
          </NavigationMenuItem>
          <NavigationMenuItem>
            <NavigationMenuTrigger>Components</NavigationMenuTrigger>
            <NavigationMenuContent>
              <ul className="grid w-[400px] gap-2 md:w-[500px] md:grid-cols-2 lg:w-[600px]">
                {components.map((component) => (
                  <ListItem
                    key={component.title}
                    title={component.title}
                    href={component.href}
                  >
                    {component.description}
                  </ListItem>
                ))}
              </ul>
            </NavigationMenuContent>
          </NavigationMenuItem>
          <NavigationMenuItem>
            <NavigationMenuTrigger>With Icon</NavigationMenuTrigger>
            <NavigationMenuContent>
              <ul className="grid w-[200px]">
                <li>
                  <NavigationMenuLink
                    render={
                      <Link href="#" className="flex-row items-center gap-2" />
                    }
                  >
                    <CircleAlertIcon />
                    Backlog
                  </NavigationMenuLink>
                  <NavigationMenuLink
                    render={
                      <Link href="#" className="flex-row items-center gap-2" />
                    }
                  >
                    <CircleAlertIcon />
                    To Do
                  </NavigationMenuLink>
                  <NavigationMenuLink
                    render={
                      <Link href="#" className="flex-row items-center gap-2" />
                    }
                  >
                    <CircleAlertIcon />
                    Done
                  </NavigationMenuLink>
                </li>
              </ul>
            </NavigationMenuContent>
          </NavigationMenuItem>
          <NavigationMenuItem>
            <NavigationMenuLink
              render={<Link href="/docs" />}
              className={navigationMenuTriggerStyle()}
            >
              Documentation
            </NavigationMenuLink>
          </NavigationMenuItem>
        </NavigationMenuList>
      </NavigationMenu>
    </>
  )
}