is-docker

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

A simple common HTTP client specifically for Google APIs and services.

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

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

Get paths for storing things like data, config, cache, etc

Get and typecast environment variables.

Check if something is a generator function

Strip comments from JSON. Lets you use comments in your JSON files!

Get the PATH environment variable key cross-platform

Get details about the current Continuous Integration environment

Offers getProxyForUrl to get the proxy URL for a URL, respecting the *_PROXY (e.g. HTTP_PROXY) and NO_PROXY environment variables.

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

A Promise-based interface into processes created by child_process.spawn

Is this an arguments object? It's a harder question than you think.

An HTTP(s) proxy `http.Agent` implementation for HTTPS

TypeScript definitions for cors

Node.js CORS middleware

TypeScript definitions for node

A stand-alone types package for Undici

Port of jQuery.extend for node.js and the browser

Fast, unopinionated, minimalist web framework

A light-weight module that brings Fetch API to node.js

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.