Re: [whatwg/streams] ReadableStreamClose with async iterator and pending read requests errors (#1100) from Mattias Buelens on 2021-01-12 (public-webapps-github@w3.org from January 2021)

From: Mattias Buelens <notifications@github.com>
Date: Tue, 12 Jan 2021 14:42:42 -0800
To: whatwg/streams <streams@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <whatwg/streams/issues/1100/759083915@github.com>

I encountered a similar issue in MattiasBuelens/web-streams-polyfill#66. I solved it in the same way: ensure that resolving/rejecting an already settled promise is a no-op (and does not throw). It's a bit surprising, but I understand the reasoning.

I also [added a regression test](https://github.com/MattiasBuelens/web-streams-polyfill/blob/094c3df674e783d37c5e4728e56bcf1a43b1f364/test/unit/readable-stream/regression.spec.js) for this case. If you're interested, I can look into upstreaming it to WPT? 🙂 

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Received on Tuesday, 12 January 2021 22:42:54 UTC