Fire events the same way the user does

An inline style parser.

Simple and complete React DOM testing utilities that encourage good testing practices.

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

Perform async work synchronously in Node.js using `worker_threads` with first-class TypeScript support.

Next-generation ES module bundler

Terminal task list reborn! Create beautiful CLI interfaces via easy and logical to implement task lists that feel alive and interactive.

Determine if the JS environment has Symbol support. Supports spec, or shams.

Helper functions around Function call/apply/bind, for use in `call-bind`

DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. It runs as JavaScript and works in all modern browsers, as well as in Node.js (via jsdom). DOMPurify is written by security people who have vast background in web a

Web framework built on Web Standards

Get and robustly cache all JS language-level intrinsics at first require time

Extract the non-magic parent path from a glob string.

A querystring parser that supports nesting and arrays, with a depth limit

Weniger — "less, but better": a Dieter Rams-inspired theme for the DeepSeek Harness Web GUI. Warm paper whites, hairline borders, one signal-orange accent, squared 0-4px geometry, flat surfaces, one Swiss type stack.

Hooks for managing, caching and syncing asynchronous and remote data in React

2KB immutable date time library alternative to Moment.js with the same modern API

Various operations on Uint8Array data

TypeScript plugin for ESLint