Check if a local or remote port is reachable

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

Property based testing for Vitest based on fast-check

Checks the ECMAScript version of .js glob against a specified version of ECMAScript with a shell command

Check if the process is running inside a container (Docker/Podman)

Try to downgrade the permissions of a process with root privileges and block access if it fails

Synchronous validation of a path existing either as a file or as a directory.

NextJS configuration helper for Posthog 🦔

Webpack plugin for Posthog 🦔

Ensure a path doesn't contain null bytes

Property based testing for Jest based on fast-check

Check if the process is running as root user, for example, one started with `sudo`

Scan Markdown and documentation for broken links, redirect chains, insecure HTTP links, and excessively long URLs. Usable as a CLI or a GitHub Action.

The React Native multithreading library

Utilities for working with Windows Subsystem for Linux (WSL)

An Rsbuild plugin to run TypeScript type checker in a separate process.

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

option parsing and help generation

Expo Router is a file-based router for React Native and web applications.

General purpose node utilities