Test if a value is iterator-like.

Use duck-typing to check whether an object has the form of an iterator

Get an iterator for any JS language value. Works robustly across all environments, all versions.

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

Firefox 17-26 iterators throw a StopIteration object to indicate "done". This normalizes it.

Higher order iterator library for JavaScript/TypeScript.

Iterate any JS iterator. Works robustly in all environments, all versions.

Iterator abstraction based on ES6 specification

Iterate over promises serially

[](http://www.typescriptlang.org/) [](https://www.npmjs.com/package/@n1ru4l/push-pull-async

Run multiple promise-returning & async functions with limited concurrency using native ES9

walk paths fast and efficiently

Convert an argument into a valid iterator. Based on the `.makeIterator()` implementation in mout https://github.com/mout/mout.

Polyfill for IE/Node 8 for Symbol.asyncIterator

Extended iterable class, providing lazy array-like methods with automatic async and return/throw forwarding

A thing that is a lot like ES6 `Map`, but without iterators, for use in environments where `for..of` syntax and `Map` are not available.

Turn an abstract-leveldown iterator into a readable stream

A finite state machine iterator for JavaScript

Map over array avoiding parallel execution, using promises

Creates an async iterator for a variety of inputs in the browser and node. Supports fetch, node-fetch, and cross-fetch