Mastering GraphQL with React: Modern Data Fetching for Web Apps

Understand the differences between REST and GraphQL, and why modern apps use it.

Learn about queries, mutations, subscriptions, resolvers, and the schema.

Use Apollo Server or GraphQL Yoga to set up a basic Node.js server with sample data.

Setup Apollo Provider, link it to an endpoint, and wrap your React app.

Use the useQuery() hook to fetch data and handle loading/errors.

Map fetched data into UI components with proper UX patterns.

Build forms that insert data via GraphQL mutations.

Use variables and client cache updates to manage CRUD workflows.

Manage local UI state (modals, toggles, etc.) inside Apollo’s cache.

Define types, fields, queries, and mutations.

Understand how to connect a schema to data sources (mock, REST, DB).

Explore schemas visually and auto-generate typed client code.

Use GraphQL fragments to avoid duplication across components.

Implement cursor-based or offset-based pagination with Apollo.

Gracefully handle errors and retry failed requests.

Add WebSocket-based real-time features using useSubscription().

Learn how Apollo normalizes data, cache updates, and refetch strategies.

Advanced manipulation of cache for performance and control.

Use MockedProvider to test components using GraphQL queries.

Protect endpoints, validate queries, and secure data with middleware.

Use persisted queries, CDN caching, error tracking, and performance insights.