Question 1

How to set up TanStack Query in a React app?

Accepted Answer

Install the @tanstack/react-query package via npm, create a QueryClient instance, and wrap your app with QueryClientProvider. Then use hooks like useQuery for data fetching, following the examples in the official docs for quick integration.

Question 2

TanStack Query vs SWR: which is better?

Accepted Answer

TanStack Query offers more features out of the box, such as mutations, pagination, and advanced caching, while SWR is lighter and simpler. Choose TanStack Query for complex data-intensive apps and SWR for basic fetching with minimal overhead.

Question 3

How to implement infinite scroll with TanStack Query?

Accepted Answer

Use the useInfiniteQuery hook, which handles pagination automatically by providing methods to fetch more data and manage scroll state. This built-in support makes it easy to create infinite scrolling interfaces without custom logic.

Question 4

What are the best practices for caching with TanStack Query?

Accepted Answer

Configure staleTime and cacheTime based on your data freshness needs, use invalidation with mutations, and leverage background updates. The library's automatic caching strategies reduce manual work but require tuning for optimal performance.

Question 5

How to handle errors in TanStack Query mutations?

Accepted Answer

Use the onError callback in useMutation to manage errors, retry logic, or display user feedback. This allows graceful error handling while maintaining data consistency across your application.

Question 6

Can TanStack Query be used with Vue or Svelte?

Accepted Answer

Yes, TanStack Query has official adapters for Vue, Svelte, and Solid.js, allowing you to use the same core logic with framework-specific hooks. This makes it versatile for multi-framework teams or projects.

React Query

What is React Query?

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