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Title: Web Streams API TransformStream "transformer" is missing the "cancel" method from the WHATWG streams standard · Issue #62540 · nodejs/node · GitHub

Open Graph Title: Web Streams API TransformStream "transformer" is missing the "cancel" method from the WHATWG streams standard · Issue #62540 · nodejs/node

X Title: Web Streams API TransformStream "transformer" is missing the "cancel" method from the WHATWG streams standard · Issue #62540 · nodejs/node

Description: 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...

Open Graph Description: Affected URL(s) https://nodejs.org/api/webstreams.html#new-transformstreamtransformer-writablestrategy-readablestrategy Description of the problem Despite the code ostensibly supporting the cancel:...

X Description: Affected URL(s) https://nodejs.org/api/webstreams.html#new-transformstreamtransformer-writablestrategy-readablestrategy Description of the problem Despite the code ostensibly supporting the cancel:...

Opengraph URL: https://github.com/nodejs/node/issues/62540

X: @github

direct link

Domain: github.com


Hey, it has json ld scripts:
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#62566https://github.com/nodejs/node/pull/62566
Web Streams API TransformStream "transformer" is missing the "cancel" method from the WHATWG streams standardhttps://github.com/nodejs/node/issues/62540#top
#62566https://github.com/nodejs/node/pull/62566
docIssues and PRs related to the documentations.https://github.com/nodejs/node/issues?q=state%3Aopen%20label%3A%22doc%22
web streamshttps://github.com/nodejs/node/issues?q=state%3Aopen%20label%3A%22web%20streams%22
https://github.com/TomStrepsil
TomStrepsilhttps://github.com/TomStrepsil
on Apr 1, 2026https://github.com/nodejs/node/issues/62540#issue-4188740513
https://nodejs.org/api/webstreams.html#new-transformstreamtransformer-writablestrategy-readablestrategyhttps://nodejs.org/api/webstreams.html#new-transformstreamtransformer-writablestrategy-readablestrategy
ostensibly supportinghttps://github.com/nodejs/node/blob/86282b56d20ff4be98003dfbd9aff91fcbfe3cf2/lib/internal/webstreams/transformstream.js#L469
cancel: TransformerCancelCallbackhttps://streams.spec.whatwg.org/#transformer-api
missing from latest @types/nodehttps://github.com/DefinitelyTyped/DefinitelyTyped/blob/02f776d15b20fb7c282380f843741a478b3d84e0/types/node/stream/web.d.ts#L54
docIssues and PRs related to the documentations.https://github.com/nodejs/node/issues?q=state%3Aopen%20label%3A%22doc%22
web streamshttps://github.com/nodejs/node/issues?q=state%3Aopen%20label%3A%22web%20streams%22
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