fix installWorker() annoying error message #643
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@h3xby Thanks for the PR! |
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we have a lot of
"installWorker - SW's 'controllerchange' fired but no state change!"errors in our error tracking system. i discovered that this happened during worker update. it updates successfully, but prints error. this happens due event listener doesn't removed andthis.installAlternatingWorker()below will trigger this listener again, but we don't need it because promise has already been resolvedThis change is