Asynchronous iteration has landed in V8 6.3 , so we can have it in Node.js v9 at the end of the year.

There are some plans to implement a stream version based on this feature. Since node-eps seems to be archived, maybe it is worth to have an issue for this in the core repository.

Refs:

https://github.com/tc39/proposal-async-iteration
https://tc39.github.io/proposal-async-iteration/
https://bugs.chromium.org/p/v8/issues/detail?id=5855

https://ponyfoo.com/articles/javascript-asynchronous-iteration-proposal
http://2ality.com/2016/10/asynchronous-iteration.html
https://jakearchibald.com/2017/async-iterators-and-generators/

nodejs/CTC#53
nodejs/readable-stream#254
tc39/proposal-async-iteration#74
nodejs/promises#31 (and nodejs/promises#31 (comment))

https://github.com/calvinmetcalf/async-iter-stream