[Webkit-unassigned] [Bug 252664] REGRESSION: Previewing projects broken in Construct 3 web app with Safari TP 163

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Feb 24 16:07:03 PST 2023


https://bugs.webkit.org/show_bug.cgi?id=252664

--- Comment #6 from Chris Dumez <cdumez at apple.com> ---
A dedicated worker does a load for https://preview.construct.net/internals/expFuncs.js. This gets intercepted by a service worker (sw.js). We fire a FetchEvent for this load to the service worker and the service worker calls FetchEvent.respondWith() with a promise. However, this promise never gets settled.

Then I see the service worker trying to load https://preview.construct.net/internals/expFuncs.js and failing with a 404.

I am not sure what's supposed to happen here but given that the URL is 404, I assume the service worker is supposed to return something cached instead of trying to load that URL itself.

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