What is the React Query (TanStack Query) stale-while-revalidate strategy?

Question

React Developer — Hard

What is the React Query (TanStack Query) stale-while-revalidate strategy?

Accepted Answer

The React Query stale-while-revalidate strategy involves serving stale cached data immediately while fetching fresh data in the background. This allows the UI to display data quickly while ensuring that the most up-to-date information is retrieved and shown when available.