navigation-menu.tsx

import * as NavigationMenuPrimitive from "@radix-ui/react-navigation-menu";
import { cva } from "class-variance-authority";
import { ChevronDownIcon } from "lucide-react";
import { type ComponentPropsWithoutRef, type ElementRef, forwardRef } from "react";
import { cn } from "./cn";

const NavigationMenu = forwardRef<
  ElementRef<typeof NavigationMenuPrimitive.Root>,
  ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Root> & {
    viewPortClassName?: string;
  }
>(({ className, children, viewPortClassName, ...props }, ref) => (
  <NavigationMenuPrimitive.Root
    ref={ref}
    className={cn("relative z-10 flex max-w-max flex-1 items-center justify-center", className)}
    {...props}
  >
    {children}
    <NavigationMenuViewport className={viewPortClassName} />
  </NavigationMenuPrimitive.Root>
));

const NavigationMenuList = forwardRef<
  ElementRef<typeof NavigationMenuPrimitive.List>,
  ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.List>
>(({ className, ...props }, ref) => (
  <NavigationMenuPrimitive.List
    ref={ref}
    className={cn("group flex flex-1 list-none items-center justify-center space-x-1", className)}
    {...props}
  />
));

const navigationMenuTriggerStyle = cva(
  "group inline-flex h-9 w-max items-center justify-center rounded-md bg-background px-4 py-2 font-medium text-sm transition-colors hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground focus:outline-none disabled:pointer-events-none disabled:opacity-50 data-[active]:bg-accent/50 data-[state=open]:bg-accent/50",
);

const NavigationMenuTrigger = forwardRef<
  ElementRef<typeof NavigationMenuPrimitive.Trigger>,
  ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Trigger>
>(({ className, children, ...props }, ref) => (
  <NavigationMenuPrimitive.Trigger
    ref={ref}
    className={cn(navigationMenuTriggerStyle(), "group", className)}
    {...props}
  >
    {children}{" "}
    <ChevronDownIcon
      className="relative ml-2 size-3 transition duration-300 group-data-[state=open]:rotate-180"
      aria-hidden="true"
    />
  </NavigationMenuPrimitive.Trigger>
));

const NavigationMenuContent = forwardRef<
  ElementRef<typeof NavigationMenuPrimitive.Content>,
  ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Content>
>(({ className, ...props }, ref) => (
  <NavigationMenuPrimitive.Content
    ref={ref}
    className={cn(
      "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 data-[motion^=from-]:animate-in data-[motion^=to-]:animate-out md:absolute md:w-auto ",
      className,
    )}
    {...props}
  />
));

const NavigationMenuViewport = forwardRef<
  ElementRef<typeof NavigationMenuPrimitive.Viewport>,
  ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Viewport>
>(({ className, ...props }, ref) => (
  <div className={cn("absolute top-full left-0 flex justify-center")}>
    <NavigationMenuPrimitive.Viewport
      className={cn(
        "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 origin-top-center overflow-hidden rounded-md border bg-popover text-popover-foreground data-[state=closed]:animate-out data-[state=open]:animate-in md:w-[var(--radix-navigation-menu-viewport-width)]",
        className,
      )}
      ref={ref}
      {...props}
    />
  </div>
));

const NavigationMenuIndicator = forwardRef<
  ElementRef<typeof NavigationMenuPrimitive.Indicator>,
  ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Indicator>
>(({ className, ...props }, ref) => (
  <NavigationMenuPrimitive.Indicator
    ref={ref}
    className={cn(
      "data-[state=hidden]:fade-out data-[state=visible]:fade-in top-full z-[1] flex h-1.5 items-end justify-center overflow-hidden data-[state=hidden]:animate-out data-[state=visible]:animate-in",
      className,
    )}
    {...props}
  >
    <div className="relative top-[60%] h-2 w-2 rotate-45 rounded-tl-sm bg-border shadow-md" />
  </NavigationMenuPrimitive.Indicator>
));

const NavigationMenuItem = NavigationMenuPrimitive.Item;
const NavigationMenuLink = NavigationMenuPrimitive.Link;

NavigationMenuViewport.displayName = NavigationMenuPrimitive.Viewport.displayName;
NavigationMenuContent.displayName = NavigationMenuPrimitive.Content.displayName;
NavigationMenuTrigger.displayName = NavigationMenuPrimitive.Trigger.displayName;
NavigationMenuList.displayName = NavigationMenuPrimitive.List.displayName;
NavigationMenuIndicator.displayName = NavigationMenuPrimitive.Indicator.displayName;
NavigationMenu.displayName = NavigationMenuPrimitive.Root.displayName;

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