TanStack Query is an open-source library for handling server-state - data fetching, caching, and synchronization - in frontend applications. In this article I explain why it changes the way you manage remote data, and how it removes a whole category of boilerplate and bugs that come from wiring up fetching and caching by hand.
If you’ve ever fought with loading states, stale data, or manual cache invalidation in React, this is worth a read.