Data Fetching in React: From Zero to Hero
A practical guide to fetching data in React with TypeScript — the loading/error/success states every request has, fetching in useEffect with cleanup and AbortController, avoiding race conditions, typing responses, handling HTTP errors properly, extracting a useFetch hook, mutations and refetching, and why a library like TanStack Query exists (caching, dedup, revalidation) — with common mistakes and hands-on exercises.