TanStack Has Free Libraries — Here's How to Build Type-Safe Data-Heavy Apps

A frontend developer told me: 'I was using useEffect + useState for API calls, managing loading states, caching, pagination, and refetching manually. 200 lines of code per API call.' TanStack Query replaced all of that with 5 lines. What TanStack Offers TanStack (open source, free): TanStack Query — async state management (data fetching) TanStack Table — headless, powerful data tables TanStack Router — type-safe routing TanStack Form — type-safe forms with validation TanStack Virtual — virtualize massive lists Works with React, Vue, Svelte, Solid, Angular TanStack Query (Data Fetching) import { useQuery , useMutation , useQueryClient } from ' @tanstack/react-query ' ; // Fetch data (with caching, refetching, loading states) function Posts () { const { data , isLoading , error } = useQuery ({ queryKey : [ ' posts ' ], queryFn : () => fetch ( ' /api/posts ' ). then ( r => r . json ()), staleTime : 5 * 60 * 1000 , // Cache for 5 min }); if ( isLoading ) return < div > Loading ... < /div>