TanStack Start Now Support React Server Components

6 hours ago

TanStack's philosophy emphasizes building tools that cover 90% use cases with flexibility for advanced scenarios.
React Server Components (RSCs) are presented as a primitive for moving heavy rendering logic to the server, not as a mandatory app architecture.
TanStack Start treats RSCs as fetchable, cacheable data streams, allowing client-side control over fetching, caching, and rendering.
The approach integrates RSCs seamlessly with existing tools like TanStack Query and TanStack Router for caching and data management.
Composite Components enable the client to own the UI tree, with servers providing slots for client content, enhancing flexibility.
RSCs are optional in TanStack Start, supporting a spectrum from fully interactive SPAs to fully static sites without forcing RSC adoption.
Performance benefits from RSCs are measurable for content-heavy pages but not universal, with trade-offs in complexity and scalability.
Security is addressed through explicit RPCs with createServerFn, avoiding 'use server' actions to reduce attack vectors.
TanStack Start's RSC model is experimental, with ongoing refinements, and encourages community feedback via issues and Discord.

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