Full support of WhatWg Streams

[martinheidegger]

WhatWg Streams are part of having a browser compatible fetch implementation: (see: #19393). For better interoperability of browser and nodejs, it would be awesome to have WhatWg streams readily available in node, like we have AbortController, Event and EventTarget.

There is a reference implementation of this available that uses the web-platform-tests test-suite to make sure it works as intended. Could that make a decent first version?

I am opening this issue as a follow up on #19393 (comment) and as a means to watch an issue to see if there is some progress or consensus on that topic. I don't think I have much time to spend on this.

[Trott]

@nodejs/whatwg-stream

[lin7sh]

Also the new WebSocketStream will be enable by default on Chrome 89 and deno has plan to implement it it based heavily on WHTWHG stream

[ronag]

web streams have landed

[martinheidegger]

@ronag in which commit/PR?

[targos]

#39062