Web Streams API TransformStream "transformer" is missing the "cancel" method from the WHATWG streams standard #62540

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Affected URL(s)

https://nodejs.org/api/webstreams.html#new-transformstreamtransformer-writablestrategy-readablestrategy

Description of the problem

Despite the code ostensibly supporting the cancel: TransformerCancelCallback member of the WHATWG streams Transformer, it is not mentioned in the documentation.

Presumably due to this omission, it is also missing from latest @types/node.

TomStrepsil
added
docIssues and PRs related to Node.js documentation.
on Apr 1, 2026
Paritoshcodes commented on Apr 1, 2026
Paritoshcodes
on Apr 1, 2026
Hello @TomStrepsil I would like to work on this issue if possible.
Renegade334
added
web streamsIssues and PRs related to the Web Streams API.
on Apr 2, 2026
nodejs-github-bot
closed this as completedin #62566 on Apr 4, 2026
nodejs-github-bot
added a commit that references this issue on Apr 4, 2026
doc: document TransformStream transformer.cancel option
a3108ff
TomStrepsil commented on Apr 6, 2026
TomStrepsil
on Apr 6, 2026
ContributorAuthor
See related discussion for @types/node
aduh95
added 2 commits that reference this issue on May 5, 2026
doc: document TransformStream transformer.cancel option
ce3f4c8
doc: document TransformStream transformer.cancel option
736ed8a
marco-ippolito
added a commit that references this issue on Jul 29, 2026
doc: document TransformStream transformer.cancel option
2993267

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