The Ultimate
Snippet Library.

Consuming a GraphQL API (JavaScript)

Perform basic GraphQL queries and mutations from a JavaScript client using the Fetch API, demonstrating efficient data retrieval from GraphQL endpoints.

Simple Client-Side API Request Queue with Delay (JavaScript)

Implement a basic JavaScript queue to process API requests with a delay, preventing rate limit issues for external services without complex retry logic.

React usePrevious Hook for Storing Past State

Learn how to create a custom React hook, `usePrevious`, to store and retrieve the previous value of any state or prop, enabling advanced comparison logic.

React useThrottle Hook for Limiting Function Calls

Implement a custom `useThrottle` React hook to limit how often a function can execute, improving performance for events like scrolling or resizing.

React useWhyDidYouUpdate Hook for Debugging Renders

Create a `useWhyDidYouUpdate` hook to log component re-renders and identify which prop or state changes are causing them, aiding performance debugging.

React useMediaQuery Hook for Responsive UI Logic

Build a `useMediaQuery` React hook to integrate CSS media queries directly into your component logic, enabling dynamic, responsive UI behaviors.

React useIsMounted Hook for Safe State Updates

Create a `useIsMounted` React hook to track a component's mount status, preventing state updates on unmounted components and avoiding memory leaks.

Monitor Website Health with Basic HTTP Check

A simple bash script to perform a basic HTTP GET request to a URL and verify its availability by checking the HTTP status code, ideal for quick website health checks.

Automate Git Branch Checkout and Pull

A bash script for automating common Git operations: safely switching to a specified branch, pulling the latest changes, and cleaning up merged local branches.

Find and Kill a Specific Process by Name or Port

A useful bash script to locate a running process by its name (full command) or a specific port it's listening on, and then safely terminate it.

Dynamic Log File Tail with Filtering

A bash script to continuously monitor (tail) a log file, optionally filtering its output based on a keyword, useful for debugging web applications.

Robust API Request with Retry Logic

Implement a JavaScript fetch wrapper that automatically retries failed API requests, improving reliability for transient network issues or server errors.