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

Environment utilities

Detect CI Environment from environment variables

Environment with unlimited test event handlers

Easily expose environment variables in Vite.js

Loads environment variables from .env file

Puppeteer environment for Jest.

Environment utilities

Handles the lifecyle and bootstrapping of generators in a specific environment

Inline environment variables.

Cooperative scheduler for the browser environment.

Get the PATH environment variable key cross-platform

Environment agnostic event emitter

Environment agnostic nextTick polyfill

Get and typecast environment variables.

SAP Fiori environment check

Use Happy DOM as environment in Jest.

A Babel preset for each environment.

JSDOM environment for Jest with JSDOM 14

Determine if the JS environment has BigInt support.