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

like touch(1) in node

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

Curated list of Web platform features

Webpack loader that resolves relative paths in url() statements based on the original source file

A tiny invariant function

Nested/recursive `.gitignore`/`.npmignore` parsing and filtering.

Load the local package.json from either src or dist folder

Higher-level content negotiation

An evented streaming XML parser in JavaScript

Parses well-formed HTML (meaning all tags closed) into an AST and back. quickly.

Read and write files atomically and reliably.

warns if there is a newer version of CLI released

Polyfill/ponyfill for the AbortController DOM API + optional patching of fetch (stub that calls catch, doesn't actually abort request).

Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods

Ponyfill for upcoming Element.scrollIntoView() APIs like scrollMode: if-needed, behavior: smooth and block: center

Parse the things that can be arguments to `npm install`

Get the package name from a folder path

A system for sharing tool configurations between projects without duplicating config files.

Bare bones Promises/A+ implementation