Data fetching in React: useEffect, loading and error states, cleanup, race conditions, AbortController, React Query, SWR, and server vs client state

React data fetching is about both getting data and managing cache, loading, error, cancellation, and freshness correctly.

React Hard Theory

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Data fetching in React: useEffect, loading and error states, cleanup, race conditions, AbortController, React Query, SWR, and server vs client state

React data fetching is about both getting data and managing cache, loading, error, cancellation, and freshness correctly.

Server state behaves differently from local UI state
Race conditions happen when requests overlap
Libraries like TanStack Query and SWR help with caching and synchronization

#api #data-fetching #react

Data fetching in React: useEffect, loading and error states, cleanup, race conditions, AbortController, React Query, SWR, and server vs client state