JavaScript library for writing ID3 tag to MP3 files in browsers and Node.js

TypeScript definitions for conventional-changelog-writer

Updates the workspace manifest file

JavaScript barcode generator supporting over 100 types and standards.

A set of helpers for testing Effects with vitest

Node.js log generator for log engine

An easy to use, extensible pretty-printer for rendering documents

Create components whose prop changes map to a global side effect

Effect-TS is a zero dependency set of libraries to write highly productive, purely functional TypeScript at scale.

A library for writing MongoDB logv2 messages

Ponyfill of the `React.useEffectEvent` hook, which became stable in React 19.2

A React hook that uses useEffect() on the server and useLayoutEffect() in the browser

Zero-dependency no-shell execFile runner for host-native OS integrations: utf8 stdio capture, abort propagation, Windows hide

OpenTelemetry integration for Effect

Effect-TS is a zero dependency set of libraries to write highly productive, purely functional TypeScript at scale.

Functions for updating the configuration settings

Persistent PTY session seam for the DeepSeek Harness — owner-scoped ids, backend registry, interactive sends, reads, signals, and awaited cleanup

Platform specific implementations for the Bun runtime

JSON file KV storage backend for the DeepSeek Harness storage hub

Experimental modules for the Effect ecosystem