JavaScript promises lack native cancellation, a feature rejected by TC39 in 2016 due to resource cleanup concerns. Inngest demonstrates a practical workaround: returning promises that never resolve to interrupt async functions cleanly without exceptions, enabling step-by-step workflow execution on serverless infrastructure.
Infrastructure
You can't cancel a JavaScript promise (except sometimes you can)
Inngest circumvents JavaScript's lack of native promise cancellation by returning never-resolving promises, enabling fine-grained control flow in serverless workflows.
Tuesday, April 7, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline
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infrastructure