Next.js Features
A playground for exploring Next.js 16 and React 19.2 features. Each demo includes working code and links to official documentation.
Server Actions
useActionState hook with 'use server' directive for form handling
Explore demo
Composable Caching
'use cache' with cacheLife, cacheTag, and on-demand revalidation
Explore demo
tRPC + TanStack Query
End-to-end typesafe APIs with React Query for async state
Explore demo
SSR Streaming
Server-Sent Events for OpenAI-style streaming responses
Explore demo
WebRTC
Peer-to-peer video/audio with camera access and ICE negotiation
Explore demo
Stack
Next.js 16.0.5 with Turbopack
React 19.2.0
tRPC + TanStack Query
Tailwind CSS v4
shadcn/ui (new-york)
TypeScript with strict mode