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

Unpack a browser type and version from the useragent string

Improved typeof detection for node.js and the browser.

Detect Node.JS (as opposite to browser environment). ESM modification

Detect device type and render your component according to it

A shim for the setImmediate efficient script yielding API

Better `os.arch()` for node and the browser -- detect OS architecture

Detect if the browser supports passive events

Simplify detecting your browser

Detect the dominant newline character of a string

Detect if a device is mouse only, touch only, or hybrid

Node.js module to detect the C standard library (libc) implementation family and version

Node.js implementation of port detector

Detect whether a terminal supports hyperlinks

Offline and Online components for React

Detects if a file exists and returns the resolved filepath.

Implementation of window.fetch which can use http2 seamlessly

Detect Node.JS (as opposite to browser environment) (reliable)

Character encoding auto-detection in JavaScript (port of python's chardet)

Device detection (phone, tablet, desktop, mobile grade, os, versions)