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Found 44 Skills
TanStack Query v5 expert guidance - migration gotchas (v4→v5 breaking changes), performance pitfalls (infinite refetch loops, staleness traps), and decision frameworks (when NOT to use queries, SWR vs React Query trade-offs). Use when: (1) debugging v4→v5 migration errors (gcTime, isPending, throwOnError), (2) infinite refetch loops, (3) SSR hydration mismatches, (4) choosing between React Query vs SWR vs fetch, (5) optimistic update patterns not working. NOT for basic setup (see official docs). Focuses on non-obvious decisions and patterns that cause production issues. Triggers: React Query, TanStack Query, v5 migration, refetch loop, stale data, SSR hydration, query invalidation, optimistic updates debugging.
Expert in TanStack Query (React Query) — asynchronous state management. Covers data fetching, stale time configuration, mutations, optimistic updates, and Next.js App Router (SSR) integration.
Use when integrating next-safe-action with TanStack Query (React Query) -- mutationOptions(), useMutation, ActionMutationError error handling, type guards, optimistic updates via query cache, query invalidation after mutations
Master TanStack Query (React Query) v5 for server state management in React applications. Use when fetching data from APIs, managing server state, caching, or handling mutations. Triggers on phrases like "react query", "tanstack query", "data fetching", "cache management", "server state", or file patterns like *query*.ts, *Query*.tsx, queryClient.ts.
TanStack Query v5 data fetching patterns including useSuspenseQuery, useQuery, mutations, cache management, and API service integration. Use when fetching data, managing server state, or working with TanStack Query hooks.
TanStack Query (React Query) v5 best practices for data fetching, caching, mutations, and server state management. Use when building data-driven React applications, setting up query configurations, implementing mutations/optimistic updates, configuring caching strategies, integrating with SSR, or fixing v4→v5 migration errors.
TanStack Query v5 server state management for React. Covers query/mutation patterns, v4-to-v5 migration (object syntax, gcTime, isPending, keepPreviousData), optimistic updates via useMutationState, SSR/hydration with HydrationBoundary, infinite queries, offline/PWA support, error boundaries with throwOnError, and React 19 Suspense integration. Use when building data fetching, fixing migration errors, debugging hydration mismatches, implementing caching strategies, or configuring mutations.
React patterns for API consumption. Covers custom hooks, Suspense, SWR, error boundaries, and real-time updates. USE WHEN: user mentions "data fetching in React", "useFetch", "SWR", "fetch hook", "API integration", "REST API", asks about "React data loading", "custom fetch hooks" DO NOT USE FOR: TanStack Query specific features - use `state-tanstack-query`, GraphQL - use GraphQL-specific libraries, Non-React frameworks
ALWAYS use when working with TanStack Query (Angular Query) for server state management, data fetching, caching, or mutations in Angular applications.
React/TypeScript frontend implementation patterns. Use during the implementation phase when creating or modifying React components, custom hooks, pages, data fetching logic with TanStack Query, forms, or routing. Covers component structure, hooks rules, custom hook design (useAuth, useDebounce, usePagination), TypeScript strict-mode conventions, form handling, accessibility requirements, and project structure. Does NOT cover testing (use react-testing-patterns), E2E testing (use e2e-testing), or deployment.
Expert React developer specializing in React 18+, Next.js ecosystem, and modern React patterns. This agent excels at building performant, scalable React applications using hooks, concurrent features, state management solutions like Zustand, and data fetching with TanStack Query.
React/Next.js 앱의 API 통합 레이어를 설계하고 구현하는 스킬. TanStack Query, fetch 패턴, Server Actions, 타입 안전한 API 클라이언트, 에러 핸들링 등. "API", "데이터 fetching", "TanStack Query", "React Query", "Server Action", "fetch" 등의 요청 시 사용.