Check if a value is a plain object

Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)

A simple Node.js module to check if a TCP port is already bound.

Parser generator for JavaScript

Javascript parser for ics (rfc5545) and vcard (rfc6350) data

Check if something is a generator function

Runtime library to validate data against TypeScript interfaces

Offline and Online components for React

Check if a string is an IP address

Check if a file path is a text file

A React component wrapper for web components.

A tool concentrating on converting csv data to JSON with customised parser supporting

Check the engines and platform fields in package.json

Detect whether the terminal supports Unicode

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

parser for xcodeproj/project.pbxproj files

A simple SHA-256 / SHA-224 hash function for JavaScript supports UTF-8 encoding.

Parses and compiles CSS nth-checks to highly optimized functions.

unist utility to check if a node passes a test

Converts JSON schema objects or files into Zod schemas