Update This will be fixed as of Angular version 8.2.14. Below workarounds are only required with older versions. Old workarounds for < 8.2.14 It seems this is a well known bug in the Angular service worker and that we may expect a patch / working version at some point. Most information can be … Read more
TL;DR: I’ve identified at least two issues causing breakage in my case; you can use this build script for now to try my fix, and see the app work offline here. Further testing & pull requests needed. While I’ve been unable to find a documented answer, here’s what I’ve been able to find thus far, … Read more
Thanks to the Pedro Arantes advice, I reached the next working config (see dataGroups and “maxAge”: “0u”): { “index”: “/index.html”, “dataGroups”: [ { “name”: “api”, “urls”: [“/api”], “cacheConfig”: { “maxSize”: 0, “maxAge”: “0u”, “strategy”: “freshness” } } ], “assetGroups”: [ { “name”: “app”, “installMode”: “prefetch”, “resources”: { “files”: [ “/favicon.ico”, “/index.html” ], “versionedFiles”: [ “/*.bundle.css”, … Read more
Disabling ETag header from backend solved this issue temporarily.