Chapter 5 - Highlight navigation

app/ui/dashboard/nav-links.tsx

@@ -1,3 +1,4 @@
+'use client'
 import {
   UserGroupIcon,
   HomeIcon,
@@ -5,6 +6,8 @@ import {
 } from '@heroicons/react/24/outline';
 
 import Link from 'next/link';
+import { usePathname } from 'next/navigation';
+import clsx from 'clsx';
 
 // Map of links to display in the side navigation.
 // Depending on the size of the application, this would be stored in a database.
@@ -19,6 +22,7 @@ const links = [
 ];
 
 export default function NavLinks() {
+  const pathname = usePathname();
   return (
     <>
       {links.map((link) => {
@@ -27,8 +31,12 @@ export default function NavLinks() {
           <Link
             key={link.name}
             href={link.href}
-            className="flex h-[48px] grow items-center justify-center gap-2 rounded-md bg-gray-50 p-3 text-sm font-medium hover:bg-sky-100 hover:text-blue-600 md:flex-none md:justify-start md:p-2 md:px-3"
+            className={clsx(
-          >
+                'flex h-[48px] grow items-center justify-center gap-2 rounded-md bg-gray-50 p-3 text-sm font-medium hover:bg-sky-100 hover:text-blue-600 md:flex-none md:justify-start md:p-2 md:px-3',
+                {
+                  'bg-sky-100 text-blue-600': pathname === link.href,
+                },
+            )}          >
             <LinkIcon className="w-6" />
             <p className="hidden md:block">{link.name}</p>
           </Link>