Parses and determines if a given CSS Media Query matches a set of values.

The string_decoder module from Node core

Scanner and parser for JSON with comments.

It's a very fast and efficient glob library for Node.js

Rich matchers inspired by Hamcrest. Useful for generating helpful assertion failure messages in tests.

Match and generate URLs with strong typing

Convert a tilde path to an absolute path: `~/dev` → `/Users/sindresorhus/dev`

Match human-quality input to potential matches by edit distance.

Regular expression for matching file names, with or without extension.

A CLI and library which tests helps score how vulnerable a regex pattern is to ReDoS attacks. Supported in the browser, Node and Deno.

Synchronize the contents of one folder to another location, only copying files if contents differ.

Basic functions for handling mime-types.

Jest hooks for JSDOM location mock

Framework-agnostic, micro-library for getting stack traces in all environments

Match balanced character pairs, like "{" and "}"

Standalone CSS Selector Finder and Parser.

RegExp Match Indices polyfill

Shared utilities for JSX location data injection

Open Location Codes are a way of encoding location into a form that is easier to use than latitude and longitude. Source for a website to demonstrate Open Location Codes. (https://github.com/google/open-location-code)

Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.