Run your tests with randomization, splitting, and parallelization for beautiful tests.

Asynchronous flow control with a functional taste to it

Detect native Symbol.iterator support.

Symbol iterator.

Extract contents from 7z archives using an iterator API. Pure JavaScript, works on Node.js 0.8+

ES async interator wrapper for node streams

Modern EventSource client for browsers and Node.js

Convert an abstract-chunk-store compliant store into an async iterator, or write to using an async iterator.

filter a javascript iterator

utilities for observable asynchronous control flow

Async control for arrays

Iterate over a collection, invoking a function for each element.

Provide helpers that polyfill all methods defined in [iterator helpers proposal](https://github.com/tc39/proposal-iterator-helpers), both for `Iterator` and `AsyncIterator`, and even more.

A polyfill for Iterator helpers proposal

Async iterator utilities

Transform stream that allows you to run your transforms in parallel without changing the order

Determine whether each segment of a line is parallel to the correspondent segment of another line.

An async iterator that joins multiple other async iterators in order, one after another.

Make any iterator or iterable abortable via an AbortSignal

Zero-overhead asynchronous parallel/each/map function call