graphql-apollo-client

SKILL.md

Learn to integrate Apollo Client with React, including hooks, cache management, optimistic updates, and real-time subscriptions.

| useQuery | Fetch data | { data, loading, error, refetch } | | useMutation | Modify data | [mutate, { data, loading, error }] | | useSubscription | Real-time | { data, loading, error } | | useLazyQuery | On-demand fetch | [execute, { data, loading }] |

| Stale data | Cache not updated | Add update function | | Duplicates | Missing keyFields | Configure typePolicies | | Refetch loop | Variables object recreated | useMemo variables | | No subscription | Missing split link | Add wsLink |

使用 Apollo Client 構建 React 應用程序 - 查詢、突變、緩存和訂閱 來源：pluginagentmarketplace/custom-plugin-graphql。

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