Component for animating height during mount/unmount using a CSS transition
A cache object that deletes the least-recently-used items.
Mock 'http' objects for testing Express, Next.js and Koa routing functions
node-packages is [require.js](http://requirejs.org/) for node.js.
A generic messaging component to send HTTP style message payloads over the window.postMessage API. Requires an implementation of window postMessage proxy such as 'window-post-message-proxy'.
JSON language support for the CodeMirror code editor
Hierarchical clustering algorithms
MCP server that exposes Mneme to Claude Code, Cursor, Continue, and other AI clients
Sign a URL for Google Maps Platform requests.
A Lightweight Task Scheduler for Node.js
Essential JS 2 TreeGrid Component
WebSocket Matter server based on matter.js
Request signing and signature verification utilities for ZinTrust.
gettext.js is a lightweight (3kB minified!) but complete and accurate GNU gettext port for Node.js and the browser. Manage your i18n translations the right way in your JavaScript projects.
Detect native Symbol.hasInstance support.
Reframe.js: responsive iframes for embedded content
Highly customizable checkboxes and radio buttons (jQuery & Zepto)
practical variable argument handling
Static scope analysis and transpilation of ES6 block scoped const and let variables, to ES3.
A svelte component to create a CodeMirror 6+ editor
Middleware to set the Referrer-Policy HTTP header
Support [Flow static type checking](https://flow.org/) in [Vite](https://vitejs.dev/)
JavaScript Implementation of OMeta Parsing Language
Cheminformatics functionality for JavaScript platforms