Now stdin and stdout are files.

Implements performance.now (based on process.hrtime).

Reliably determines if the code is running in Node.js

compute the closest common parent for file paths

Global namespace without polluting the global scope

process information for node.js and browsers

Cross-platform method to add a directory to your $PATH

A small utility for creating warnings and emitting them.

Test if a process with a given pid is running

A stream meter that both counts the bytes piped through it, and can optionally abort on a max size. (e.g. limit a http request size)

This is a sequel to [stream-combiner](https://npmjs.org/package/stream-combiner) for streams3.

transform a stream into a quoted string

Google AI JavaScript SDK

Progress bar updates at a distance

Easily format the time from node.js `process.hrtime`. Works with timescales ranging from weeks to nanoseconds.

Fork stream based on passed condition, and collect down-stream

[](https://npmjs.org/package/stream-combiner) [](https://travis-ci.org/dominictarr/stream-combiner)

Make unhandled promise rejections fail hard right away instead of the default silent fail

Inject environment variables in process.env with Rollup

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