WhatWG/W3C compliant EventSource client for Node.js and browsers

Generic HTTP request library for node, browsers and workers

A lightweight JavaScript debugging utility, forked from debug, featuring TypeScript and ESM support.

Reactive Extensions for modern JavaScript

A tool to manage versioning and changelogs with a focus on monorepos

Workers Vitest integration for writing Vitest unit and integration tests that run inside the Workers runtime

TypeScript global types for using Edge Runtime.

Low level bindings for creating Web Standard contexts.

TypeScript definitions for json-diff

TypeScript definitions for node

TypeScript definitions for react

Browser running for Vitest

Browser running for Vitest using playwright

V8 coverage provider for Vitest

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

JSON diff

Find and fix unused dependencies, exports and files in your TypeScript and JavaScript projects

Determine if your dependency graph's stated "engines" criteria is met.

Formatter for the JavaScript Oxidation Compiler

Linter for the JavaScript Oxidation Compiler

High-performance type-aware TypeScript linter powered by typescript-go, for use with oxlint.

A high-level API to automate web browsers

Fast JavaScript/TypeScript bundler in Rust with Rollup-compatible API.

TypeScript is a language for application scale JavaScript development

An HTTP/1.1 client, written from scratch for Node.js

Next generation testing framework powered by Vite