ZSTD (Zstandard) decoder for Web and Node.js, using WebAssembly
The official TypeScript library for the Perplexity API
A React hook for the IntersectionObserver API that uses a polyfill when the native API is not available
Streaming, source-agnostic EventSource/Server-Sent Events parser
### npm
Precondition checking utilities.
An open source Azure Storage API compatible server
A cross-browser wrapper for the Web Audio API which aims to closely follow the standard.
Ponyfill for upcoming Element.scrollIntoView() APIs like scrollMode: if-needed, behavior: smooth and block: center
Multi-chain cryptocurrency SDK for TypeScript — unified API for Bitcoin, Ethereum, Litecoin, Dogecoin, Bitcoin Cash, Polygon, Arbitrum, and any EVM-compatible chain. Create wallets, query balances, send transactions, and manage tokens and NFTs across UTXO
HFS Plus string utilities
A custom element for the Twitch player with an API that matches the `<video>` API
XS Advanced Container Security API for node.js
A small library for parsing and serialisation query strings
An Event Manager
posix-specific core path module
State management made super simple
Custom element (web component) for playing video using the HTTP Live Streaming (HLS) format. Uses HLS.js.
entity tag module
TypeScript definitions for dom-speech-recognition
Fast, portable image processing for Node agents.
mime-types rewrite in TypeScript with ESM and CommonJS targets
OpenAI plugin for LiveKit Node Agents
Utility functions to build and interact with the Identify API