A set of utility functions for expect and related packages

Check if argv has a specific flag

Higher-level content negotiation

a CSS selector compiler/engine

Run an array of functions in parallel

Modern Buffer API polyfill without footguns

Implements the WebIDL algorithms for converting to and from JavaScript values

parse, inspect, transform, and serialize content through syntax trees

Virtual file format for text processing

A minimal path module to resolve Unix, Windows and URL paths alike.

An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing

JavaScript sprintf implementation

Simple RFC 6838 media type parser and formatter

Wordwrap a string with ANSI escape codes

Brace expansion as known from sh/bash

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

Fake JavaScript timers

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

Resolve a URI relative to an optional base URI

Constants and utilities about visitor keys to traverse AST.