React Development Patterns

Expert guide for building modern React 19 applications with new concurrent features, Server Components, Actions, and advanced patterns.

When to Use

• Building React 19 components with TypeScript/JavaScript
• Managing component state with useState and useReducer
• Handling side effects with useEffect
• Optimizing performance with useMemo and useCallback
• Creating custom hooks for reusable logic
• Implementing component composition patterns
• Working with refs using useRef
• Using React 19's new features (use(), useOptimistic, useFormStatus)
• Implementing Server Components and Actions
• Working with Suspense and concurrent rendering
• Building forms with new form hooks

Core Hooks Patterns