What are the best practices for caching with React Query?

What are the best practices for caching with React Query?

The best practices for caching with React Query include using the query key effectively, setting appropriate stale times, and leveraging background refetching.

Can you explain how query keys work in React Query?

Query keys are unique identifiers for each query. They help React Query manage and cache data efficiently.

What is the significance of stale time in caching?

Stale time determines how long cached data is considered fresh. Setting it appropriately can reduce unnecessary network requests.

How can I implement background refetching?

You can enable background refetching by setting the refetchOnWindowFocus option to true, which will refetch data when the window regains focus.

Are there any common pitfalls to avoid?

Yes, common pitfalls include using overly broad query keys, not managing stale times properly, and neglecting to handle errors in queries.