Lighthouse Stack Packs

Inlines img, script and link tags into the same file.

Implements the WebIDL algorithms for converting to and from JavaScript values

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Calculates an index based the average distances between points in the dataset, thereby providing inference as to whether the data is clustered, dispersed, or randomly distributed within the study area.

Offers getProxyForUrl to get the proxy URL for a URL, respecting the *_PROXY (e.g. HTTP_PROXY) and NO_PROXY environment variables.

JSON Web Token implementation (symmetric and asymmetric)

Pan and zoom SVG, HTML or Canvas using mouse or touch input.

Test runner for web applications

A shim to insulate apps from WebRTC spec changes and browser prefix differences

The React Framework

Official JavaScript library to use Experiments with DotCMS.

A mature CSV toolset with simple api, full of options and tested against large datasets.

Playwright Tools for MCP

A flexible way to handle safe area, also works on Android and web.

Calculates the distance between a given point and the nearest point on a line.

Standard library statistical functions.

Copy-to-clipboard React component

MSR JavaScript Cryptography Library

A lightweight React Hook intended mainly for AI chat applications, for smoothly sticking to bottom of messages