apollo-client

Comprehensive guide for building React applications with Apollo Client 4.x, covering queries, mutations, caching, and state management. Apollo Client is a comprehensive state management library for JavaScript that enables you to manage both local and remote data with GraphQL. Version 4.x brings improved caching, better TypeScript support, and React 19 compatibility. Choose the integration guide that matches your application setup: Each guide includes installation steps, configuration, and framework-specific patterns optimized for that environment. Detailed documentation for specific topics: - Supports multiple React frameworks and setups: client-side apps (Vite, CRA), Next.js App Router with React Server Components, React Router 7 with streaming SSR, and TanStack Start - Includes hooks for queries ( useQuery , useLazyQuery ), mutations ( useMutation ), and Suspense-based patterns ( useSuspenseQuery , useBackgroundQuery ) for modern React 18+ and 19 applications - Covers caching strategies with InMemoryCache , typePolicies , fragment colocation, data masking, and cache normalization for optimized performance - Provides TypeScript code generation setup, error handling patterns, optimistic UI updates, and troubleshooting guidance for common Apollo Client issues - Client-Side Apps - For client-side React applications without SSR (Vite, Create React App, etc.) - Next.js App Router...