navigation-menu

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registry/default/ui/navigation-menu.tsx
'use client';

import * as React from 'react';
import { cn } from '@/registry/default/lib/utils';
import { cva } from 'class-variance-authority';
import { ChevronDownIcon } from 'lucide-react';
import { NavigationMenu as NavigationMenuPrimitive } from 'radix-ui';

function NavigationMenu({
  className,
  children,
  viewport = true,
  ...props
}: React.ComponentProps<typeof NavigationMenuPrimitive.Root> & {
  viewport?: boolean;
}) {
  return (
    <NavigationMenuPrimitive.Root
      data-slot="navigation-menu"
      data-viewport={viewport}
      className={cn('group/navigation-menu relative flex max-w-max flex-1 items-center justify-center', className)}
      {...props}
    >
      {children}
      {viewport && <NavigationMenuViewport />}
    </NavigationMenuPrimitive.Root>
  );
}

function NavigationMenuList({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.List>) {
  return (
    <NavigationMenuPrimitive.List
      data-slot="navigation-menu-list"
      className={cn('group flex flex-1 list-none items-center justify-center gap-1', className)}
      {...props}
    />
  );
}

function NavigationMenuItem({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Item>) {
  return (
    <NavigationMenuPrimitive.Item data-slot="navigation-menu-item" className={cn('relative', className)} {...props} />
  );
}

const navigationMenuTriggerStyle = cva(
  'cursor-pointer group inline-flex h-9 w-max items-center justify-center rounded-md bg-background px-4 py-2 text-sm font-medium hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground disabled:pointer-events-none disabled:opacity-50 data-[active=true]:bg-accent/50 data-[state=open]:bg-accent/50 data-[active=true]:text-accent-foreground ring-ring/10 dark:ring-ring/20 dark:outline-ring/40 outline-ring/50 transition-[color,box-shadow] focus-visible:ring-4 focus-visible:outline-1',
);

function NavigationMenuTrigger({
  className,
  children,
  ...props
}: React.ComponentProps<typeof NavigationMenuPrimitive.Trigger>) {
  return (
    <NavigationMenuPrimitive.Trigger
      data-slot="navigation-menu-trigger"
      className={cn(navigationMenuTriggerStyle(), 'group', className)}
      {...props}
    >
      {children}{' '}
      <ChevronDownIcon
        className="relative top-[1px] ms-1 size-3.5 opacity-60 transition duration-300 group-data-[state=open]:rotate-180"
        aria-hidden="true"
      />
    </NavigationMenuPrimitive.Trigger>
  );
}

function NavigationMenuContent({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Content>) {
  return (
    <NavigationMenuPrimitive.Content
      data-slot="navigation-menu-content"
      className={cn(
        'data-[motion^=from-]:animate-in data-[motion^=to-]:animate-out data-[motion^=from-]:fade-in data-[motion^=to-]:fade-out data-[motion=from-end]:slide-in-from-right-52! data-[motion=from-start]:slide-in-from-left-52! data-[motion=to-end]:slide-out-to-right-52! data-[motion=to-start]:slide-out-to-left-52! top-0 left-0 w-full p-2 pr-2.5 md:absolute md:w-auto',
        'group-data-[viewport=false]/navigation-menu:bg-popover group-data-[viewport=false]/navigation-menu:text-popover-foreground group-data-[viewport=false]/navigation-menu:data-[state=open]:animate-in group-data-[viewport=false]/navigation-menu:data-[state=closed]:animate-out group-data-[viewport=false]/navigation-menu:data-[state=closed]:zoom-out-95 group-data-[viewport=false]/navigation-menu:data-[state=open]:zoom-in-95 group-data-[viewport=false]/navigation-menu:data-[state=open]:fade-in-0 group-data-[viewport=false]/navigation-menu:data-[state=closed]:fade-out-0 group-data-[viewport=false]/navigation-menu:top-full group-data-[viewport=false]/navigation-menu:mt-1.5 group-data-[viewport=false]/navigation-menu:overflow-hidden group-data-[viewport=false]/navigation-menu:rounded-md group-data-[viewport=false]/navigation-menu:border group-data-[viewport=false]/navigation-menu:shadow group-data-[viewport=false]/navigation-menu:duration-200 **:data-[slot=navigation-menu-link]:focus:ring-0 **:data-[slot=navigation-menu-link]:focus:outline-none',
        className,
      )}
      {...props}
    />
  );
}

function NavigationMenuViewport({
  className,
  ...props
}: React.ComponentProps<typeof NavigationMenuPrimitive.Viewport>) {
  return (
    <div className={cn('absolute top-full left-0 isolate z-50 flex justify-center')}>
      <NavigationMenuPrimitive.Viewport
        data-slot="navigation-menu-viewport"
        className={cn(
          'shadow-md shadow-black/5 rounded-md border border-border bg-popover text-popover-foreground p-1.5 origin-top-center data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-90 relative mt-1.5 h-[var(--radix-navigation-menu-viewport-height)] w-full overflow-hidden md:w-[var(--radix-navigation-menu-viewport-width)]',
          className,
        )}
        {...props}
      />
    </div>
  );
}

function NavigationMenuLink({ className, ...props }: React.ComponentProps<typeof NavigationMenuPrimitive.Link>) {
  return (
    <NavigationMenuPrimitive.Link
      data-slot="navigation-menu-link"
      className={cn(
        'hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground data-[active=true]:bg-accent/50 data-[active=true]:text-accent-foreground ring-ring/10 dark:ring-ring/20 dark:outline-ring/40 outline-ring/50 flex flex-col gap-1 rounded-md p-2 text-sm transition-[color,box-shadow] focus-visible:ring-4 focus-visible:outline-1',
        className,
      )}
      {...props}
    />
  );
}

function NavigationMenuIndicator({
  className,
  ...props
}: React.ComponentProps<typeof NavigationMenuPrimitive.Indicator>) {
  return (
    <NavigationMenuPrimitive.Indicator
      data-slot="navigation-menu-indicator"
      className={cn(
        'data-[state=visible]:animate-in data-[state=hidden]:animate-out data-[state=hidden]:fade-out data-[state=visible]:fade-in top-full z-[1] flex h-1.5 items-end justify-center overflow-hidden',
        className,
      )}
      {...props}
    >
      <div className="bg-border relative top-[60%] h-2 w-2 rotate-45 rounded-ts-md shadow-md" />
    </NavigationMenuPrimitive.Indicator>
  );
}

export {
  NavigationMenu,
  NavigationMenuList,
  NavigationMenuItem,
  NavigationMenuContent,
  NavigationMenuTrigger,
  NavigationMenuLink,
  NavigationMenuIndicator,
  NavigationMenuViewport,
  navigationMenuTriggerStyle,
};

Installation

npx shadcn@latest add @reui/navigation-menu

Usage

import { NavigationMenu } from "@/components/ui/navigation-menu"
<NavigationMenu />