Question 1

How do I handle errors in TanStack Query?

Accepted Answer

TanStack Query provides error states in query results, allowing you to catch and display errors using the 'isError' and 'error' properties from hooks like 'useQuery'. You can also set global error handlers via the QueryClient for centralized management.

Question 2

TanStack Query vs Redux: which is better for state management?

Accepted Answer

TanStack Query is optimized for server-state (async data fetching and caching), while Redux is a general-purpose state container for client-state. For data-heavy apps, TanStack Query reduces boilerplate, but you might combine both for complex client-state needs.

Question 3

How to implement infinite scroll with TanStack Query?

Accepted Answer

Use the 'useInfiniteQuery' hook, which provides functions to fetch more pages and manage loading states. It integrates seamlessly with paginated APIs, handling cursor or page-based pagination automatically as described in the built-in support.

Question 4

Does TanStack Query work with Vue 3?

Accepted Answer

Yes, TanStack Query has a framework-agnostic core with dedicated adapters, including '@tanstack/vue-query' for Vue 3, allowing you to leverage the same caching and fetching features in Vue applications.

Question 5

What are the best practices for mutations in TanStack Query?

Accepted Answer

Use the 'useMutation' hook for data updates, and leverage options like 'onSuccess' to invalidate related queries for cache consistency. Implement optimistic updates by modifying the cache before the mutation completes to improve UX.

Question 6

How to cancel requests in TanStack Query?

Accepted Answer

TanStack Query supports request cancellation via the 'cancel' function in query fetchers, and it automatically cancels stale queries on unmount or refetch. You can use AbortController in your fetch functions for fine-grained control.

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