Node.js Vercel Functions now support request cancellation
Vercel Functions using Node.js can now detect when a request is cancelled and stop execution early, reducing unnecessary compute and token generation. Developers can listen for cancellation using Request.signal.aborted or the abort event.
can now detect when a request is cancelled and stop execution before completion. This includes actions like navigating away, closing a tab, or hitting stop on an AI chat to terminate compute processing early.Vercel Functions using Node.js
This reduces unnecessary compute, token generation, and sending data the user never see.
You can listen for cancellation using or the event:Request.signal.abortedabort
If you're using the , forward the to your stream:AI SDKabortSignal
Learn more about .cancelling Function requests
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