Higher-level content negotiation

Offers getProxyForUrl to get the proxy URL for a URL, respecting the *_PROXY (e.g. HTTP_PROXY) and NO_PROXY environment variables.

fast, tiny `queueMicrotask` shim for modern engines

a CSS selector compiler/engine

Remap sequential sourcemaps through transformations to point at the original source code

An evented streaming XML parser in JavaScript

Get the visual width of a string - the number of columns required to display it

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

An implementation of the WHATWG URL Standard's URL API and parsing machinery

An HTTP(s) proxy `http.Agent` implementation for HTTP

Intercept imports in Node.js

Provides metadata and conversions from repository urls for GitHub, Bitbucket and GitLab

ECMAScript parser

Module for executing heavy tasks under forked processes in parallel, by providing a `Promise` based interface, minimum overhead, and bound workers.

Like which(1) unix command. Find the first instance of an executable in the PATH.

Wordwrap a string with ANSI escape codes

Modern Buffer API polyfill without footguns

Persistent ordered mapping from strings

Global identifiers from different JavaScript environments

AWS credential provider that sources credentials from a Node.JS environment.