nextjs-expert

Structure Next.js App Router layouts and dynamic routes by defining typed page and layout files with async params handling, using parallel and intercepting route patterns to establish a server-first composition for production-grade applications.

The correct way to use 'use client' and Server Components in Next.js 14 is making Server Components the default to minimize client bundles, placing 'use client' only where interactivity is required to maintain a server-first architecture.

Implement data fetching and revalidation by leveraging fetch caching strategies alongside revalidatePath and revalidateTag, using streaming with Suspense to handle loading states and ensure data is precisely updated in Next.js App Router projects.

Yes, this approach supports migrating a legacy Next.js pages-router codebase to the App Router by transforming it into a typed architecture with correct data fetching, revalidation, and minimal client-side JavaScript for Next.js 14 and 15.

The best way to handle authentication and route protection with Next.js middleware is integrating Auth.js or NextAuth, applying middleware protection to secure routes, and utilizing error boundaries and not-found conventions for safe routing.

Secure Server Actions and Route Handlers in a Next.js App Router project by following secure patterns for form handling and API route handlers, including streaming and Server-Sent Events (SSE) for robust data transmission.