tanstack-query-guide

To manage server-state in React, TanStack Query provides a robust caching layer and automatic background updates. It uses useQuery to fetch data and synchronizes the UI with the backend to reduce unnecessary network requests.

To set up TanStack Query, install @tanstack/react-query, configure a QueryClient, and wrap your application with QueryClientProvider. You can then use useQuery and useMutation hooks in your components.

The best way to handle optimistic updates is using useMutation from TanStack Query. It allows you to provide instant UI feedback by applying mutations locally before the server confirms the change.

Cache invalidation and prefetching in TanStack Query rely on structured query keys. This approach keeps data consistent across components by automatically synchronizing cached server-state with backend updates.

Yes, TanStack Query handles offline scenarios and gracefully recovers after network errors. It manages server-state by automatically synchronizing data and providing reliable updates when connectivity is restored.

You need TanStack Query when fetching server-state requires robust caching, automatic background updates, and query invalidation. It replaces manual React state management for synchronizing UI data with your backend.