the-biergarten-app/src/Website/app/routes/home.tsx

import { Link } from 'react-router';
import { getOptionalAuth } from '../lib/auth.server';
import type { Route } from './+types/home';

export function meta({}: Route.MetaArgs) {
   return [
      { title: 'The Biergarten App' },
      { name: 'description', content: 'Welcome to The Biergarten App' },
   ];
}

export async function loader({ request }: Route.LoaderArgs) {
   const auth = await getOptionalAuth(request);
   return { username: auth?.username ?? null };
}

export default function Home({ loaderData }: Route.ComponentProps) {
   const { username } = loaderData;

   return (
      <div className="hero min-h-screen bg-base-200">
         <div className="hero-content text-center">
            <div className="max-w-md space-y-6">
               <h1 className="text-5xl font-bold">🍺 The Biergarten App</h1>
               <p className="text-lg text-base-content/70">Authentication Demo</p>

               {username ? (
                  <>
                     <p className="text-base-content/80">
                        Welcome back, <span className="font-semibold text-primary">{username}</span>
                        !
                     </p>
                     <div className="flex gap-3 justify-center">
                        <Link to="/dashboard" className="btn btn-primary">
                           Dashboard
                        </Link>
                        <Link to="/logout" className="btn btn-ghost">
                           Logout
                        </Link>
                     </div>
                  </>
               ) : (
                  <div className="flex gap-3 justify-center">
                     <Link to="/login" className="btn btn-primary">
                        Login
                     </Link>
                     <Link to="/register" className="btn btn-outline">
                        Register
                     </Link>
                  </div>
               )}
            </div>
         </div>
      </div>
   );
}