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

A Babel preset for each environment.

Terminal and Web console for Kubernetes

AWS credential provider that sources credentials from known environment variables

Runtime agnostic JS utils

Type check values

Validate and type-check environment variables at Node.js startup

🔌 CLI to check/generate .env files and maintain them synchronized

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

为Mutants框架提供环境检测功能

Next.js Runtime Environment Configuration - Populates your environment at runtime rather than build time.

Run scripts that set and use environment variables across platforms

Get metadata on the default editor or a specific editor

Promptbook: Create persistent AI agents that turn your company's scattered knowledge into action

Large collection of predicates.

A utility for generating .npmrc files based on configuration template and environment variables.

A helper for configuring things in Node or Browser environments

hydrate environment variables from .env files into process.env

tiny utility to validate required environment variables

Environment utilities