react-query

SKILL.md

Comprehensive guide for TanStack Query based on TkDodo's authoritative blog posts. TkDodo (Dominik Dorfmeister) is a core maintainer of TanStack Query. Contains patterns across 17 categories covering queries, mutations, caching, TypeScript, testing, and advanced patterns.

| Priority | Category | Impact | Key Concept |

| 1 | Mental Model | CRITICAL | React Query is an async state manager, not a fetching library | | 2 | Query Keys | CRITICAL | Keys are dependencies - include all variables that affect data | | 3 | Status Handling | HIGH | Check data first, then error, then loading | | 4 | Mutations | HIGH | Invalidation vs direct cache updates, optimistic patterns |

TanStack Query (React Query) best practices and patterns from TkDodo's authoritative guides. Use when writing, reviewing, or debugging React Query code including queries, mutations, caching, optimistic updates, and TypeScript integration. Triggers on useQuery, useMutation, useInfiniteQuery, QueryClient, queryKey, staleTime, cacheTime, gcTime, invalidateQueries, or React Query patterns. Source: umxr/react-query-skills.

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