[Webkit-unassigned] [Bug 182916] New: Issues with Service Worker on treebo.com

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=182916

            Bug ID: 182916
           Summary: Issues with Service Worker on treebo.com
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Service Workers
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kenjibaheux at chromium.org

Created attachment 334133

  --> https://bugs.webkit.org/attachment.cgi?id=334133&action=review

Screenshot showing a bad state

Filing this on behalf of Jeffrey Posnick

Setup:
 Tech Preview 49. 
 https://www.treebo.com
 Uses sw-precache [1] for static assets, but not navigations.

Issues observed:
 - Offline-fallback logic works in Chrome, but never appears to be triggered when navigating offline to https://www.treebo.com. [JS]
 - Once, I was able to get into a state in which the request for the HTML (which isn't served from the cache, but does pass through the SW) was only partially successful. I had to clear out the SW and caches using Safari's Privacy settings to get back into a functional state. [SCREENSHOT]




[1]: https://github.com/GoogleChromeLabs/sw-precache
[JS]: https://static.treebo.com/rodimus/build/client/offline/offline.00000002.js
[SCREENSHOT]: attached

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