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React Query+Next.js
Data FetchingCachingState Management

Interactive examples demonstrating how to build performant applications with React Query and Next.js App Router for efficient server and client-side data operations.

React Query Filter Example

Demonstrates React Query basics with programmatic navigation using router.push(). Shows query caching, refetching, and loading states.

Features:
  • Server-side prefetching
  • Client-side caching
  • Loading states
  • Filter-based query keys
View Example

Infinite Query Example

Demonstrates React Query's infinite query capabilities with automatic loading as you scroll. Perfect for implementing "load more" or infinite scrolling patterns.

Features:
  • Server-side prefetching with prefetchInfiniteQuery
  • Automatic loading with intersection observer
  • Pagination with cursor-based navigation
  • 100 items loaded 10 at a time
View Infinite Example

Understanding React Query with Next.js

Key Concepts

  • •Query Keys: Unique identifiers used for caching
  • •Hydration: Transfer server state to client
  • •StaleTime: How long data stays fresh
  • •Prefetching: Load data ahead of time

Tips for Testing

  • •Use React Query DevTools to inspect cache
  • •Watch network requests in browser DevTools
  • •Try different filters to see caching in action
  • •Test with different staleTime values