Building a Custom useFetch Hook: Data Fetching Patterns
Master building a production-ready useFetch hook in React 19. Learn error handling, loading states, request cancellation, and caching with complete TypeScript examples.
React Hooks
Custom Hooks
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Build a Custom useLocalStorage Hook: Persistent State in React
Master browser persistence with a custom useLocalStorage hook. Learn to sync React state with localStorage, handle SSR, manage updates, and avoid common pitfalls.
Build a Custom useDebounce Hook: Optimize Expensive Operations
Master debouncing in React with a custom hook. Learn to throttle API calls, search input, and event handlers with production-ready code and real-world patterns.
Build a Custom useThrottle Hook: Control High-Frequency Events
Master throttling in React with a custom hook. Learn to handle scroll, resize, and mouse events efficiently with leading/trailing edge control and real-world examples.
Custom useIsMounted Hook: Prevent Memory Leaks (2026)
Master the useIsMounted hook to safely handle async operations in React. Learn why it matters, how to build it correctly, and see patterns that prevent memory leak warnings in production.
Custom useDarkMode Hook: Dark Theme Toggle Made Right (2026)
Master building a production-ready useDarkMode hook. Learn system preference detection, localStorage persistence, SSR handling, and seamless theme switching with complete TypeScript and JavaScript examples.
useEventListener Hook: Building a Reusable Event Handler Pattern
Master custom event listeners in React. Learn to build a reusable useEventListener hook that handles DOM events, cleanup, and edge cases with TypeScript and practical examples.
useMediaQuery Hook: Responsive Design in React Components
Build responsive React apps with useMediaQuery. Master media query hooks for dark mode detection, breakpoints, and adaptive UIs with complete TypeScript examples.
useScrollPosition Hook: Tracking Scroll State in React
Master scroll tracking in React with useScrollPosition. Build sticky headers, infinite scroll, progress bars, and scroll restoration with production-ready code examples.
useInfiniteScroll Hook: Building Scalable Paginated Lists
Master infinite scroll in React with useInfiniteScroll. Handle pagination, loading states, error recovery, and performance with production-ready code and real-world examples.
useInterval Hook: Managing Timers in React Components
Build robust interval timers in React with useInterval. Handle closures, stale state, pausing, and cleanup with production-ready examples and complete TypeScript code.
useTimeout Hook: Delayed Execution in React Components
Master delayed execution with useTimeout. Handle cancellation, dynamic delays, stale closures, and cleanup with production-ready TypeScript examples and real-world patterns.
useClickOutside Hook: Detecting External Clicks in React
Master click-outside detection with useClickOutside. Build dismissible modals, dropdowns, tooltips, and popovers with complete TypeScript code and production patterns.
useToggle Hook: Boolean State Simplification in React
Master boolean state management with useToggle. Simplify on/off states, build toggle switches, and manage feature flags with clean, production-ready code patterns.
Custom useHover Hook: Handle Mouse Events Like a Pro (2026)
Master building a custom useHover hook in React. Learn to detect hover states, handle edge cases, and optimize performance with complete TypeScript and JavaScript examples for production apps.