Question 1

How to use TanStack Query with GraphQL?

Accepted Answer

TanStack Query is protocol-agnostic, so you can use it with GraphQL by writing a fetcher function that makes GraphQL requests and passing it to the useQuery hook. It handles caching, state updates, and error management automatically, reducing manual boilerplate.

Question 2

TanStack Query vs Redux: which one should I use?

Accepted Answer

TanStack Query is specialized for server-state like API data with built-in caching, while Redux is for global client-state management. For async data fetching, TanStack Query is more efficient, but you might combine both for complex apps or use alternatives like Zustand for client-state.

Question 3

How to handle errors in TanStack Query?

Accepted Answer

Errors are accessed via the error property in useQuery hooks, allowing you to display fallback UI. You can configure retry logic and error boundaries in query options for robust error handling and recovery in your application.

Question 4

What are the best practices for caching with TanStack Query?

Accepted Answer

Use staleTime and cacheTime options to control data freshness and retention. Prefetch data for better UX, and leverage automatic refetching on events like window focus or network reconnect to keep data synchronized.

Question 5

How to integrate TanStack Query with Next.js for SSR?

Accepted Answer

Set up a QueryClientProvider in your Next.js app and use hydration APIs to sync server-fetched data with the client cache. This ensures seamless server-side rendering while maintaining TanStack Query's caching benefits on the client.

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