The Ultimate
Snippet Library.

Manage Asynchronous Operations with useAsync

A powerful React hook to manage the lifecycle of any asynchronous operation, handling loading, error, and data states for cleaner UI and better user experience.

Implement Undo/Redo Functionality with useUndoRedo

A React hook that enables easy undo and redo capabilities for any piece of state, managing a history of changes for interactive applications like editors or drawing tools.

Simplify Form State & Validation with useForm

A robust React hook for managing complex form states, values, and errors, providing a streamlined API for handling user input and custom validation logic.

Debug Component Re-renders with useWhyDidYouUpdate

A React hook that logs precisely why a component re-rendered by comparing current and previous props/state, an essential tool for performance debugging and optimization.

Implement Dark Mode with useDarkMode Hook

A custom React hook to effortlessly add dark mode functionality to your application, persisting user preference across sessions using localStorage and system preferences.

Manage setInterval Safely with useInterval

Create a custom React hook, useInterval, to reliably execute a function repeatedly at fixed time intervals, automatically handling lifecycle for cleanup.

Dynamically Respond to CSS Media Queries with useMediaQuery

Implement a React hook, useMediaQuery, to dynamically detect and respond to CSS media query changes, enabling responsive component rendering.

Lazy Load Elements and Detect Visibility with useIntersectionObserver

Utilize the useIntersectionObserver React hook to efficiently detect when a DOM element enters or exits the viewport, enabling lazy loading or scroll-triggered effects.

Attach Global Event Listeners Safely with useEventListener

Create a versatile useEventListener React hook to easily attach and detach event listeners to the window, document, or a specific DOM element, ensuring proper cleanup.

Copy Text to Clipboard Easily with useCopyToClipboard

Implement a React hook, useCopyToClipboard, to programmatically copy any given text to the user's clipboard, providing a success/error state.

Handle NULL Values in SQL with COALESCE

Learn how to use the COALESCE function in SQL to return the first non-NULL expression from a list, providing default values for potentially empty columns.

Apply Conditional Logic in SQL Queries with CASE

Use SQL's powerful CASE statement to implement conditional logic directly within your queries, categorize data, or perform different calculations based on specific criteria.