Re: [whatwg/streams] Allow error to be provided to reader.releaseLock() (Issue #1358) from Mattias Buelens on 2025-11-22 (public-webapps-github@w3.org from November 2025)

From: Mattias Buelens <notifications@github.com>
Date: Sat, 22 Nov 2025 12:27:21 -0800
To: whatwg/streams <streams@noreply.github.com>
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Message-ID: <whatwg/streams/issues/1358/3567023802@github.com>

MattiasBuelens left a comment (whatwg/streams#1358)

I suppose it makes sense that `releaseLock(reason)` would mirror `AbortController.abort(reason)`. Unfortunately, I think `reason` will still default to a `TypeError` for backwards compatibility, so you have to bring your own `AbortError` if you want that. 😅

Would you expect `reader.closed` to reject with the same reason that was passed to `releaseLock()`? Right now, `reader.closed` always rejects with a fresh `TypeError` as per [steps 4 and 5 of ReadableStreamReaderGenericRelease](https://streams.spec.whatwg.org/#readable-stream-reader-generic-release), but I think we should use the same reason.

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Received on Saturday, 22 November 2025 20:27:25 UTC