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SWR is a React Hooks library for data fetching that implements the stale-while-revalidate cache strategy. It provides a set of hooks (useSWR, useSWRInfinite, useSWRImmutable, useSWRSubscription, useSWRMutation) that enable efficient client-side data fetching with automatic caching, deduplication, revalidation on focus, interval polling, and optimistic updates. The library is designed as a standalone npm package with a modular internal architecture, featuring a middleware system for extensibility, a configurable cache provider, and built-in support for React Suspense and server-side rendering. It is widely used in production and actively maintained by Vercel.
RATING:
MAINT: active
DRIFT: low
▸ 5 reusable components found
── end of results ──