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preview/service-worker: remove useless code
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@ -8,10 +8,6 @@ Hello
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// precaching requests don't degrade the first visit experience.
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// See https://developers.google.com/web/fundamentals/instant-and-offline/service-worker/registration
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window.addEventListener('load', function () {
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// Your service-worker.js *must* be located at the top-level directory relative to your site.
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// It won't be able to control pages unless it's located at the same level or higher than them.
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// *Don't* register service worker file in, e.g., a scripts/ sub-directory!
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// See https://github.com/slightlyoff/ServiceWorker/issues/468
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navigator.serviceWorker
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.register('service-worker.js')
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.then(function (reg) {
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@ -25,23 +21,7 @@ Hello
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/* eslint-disable default-case */
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switch (installingWorker.state) {
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case 'installed':
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if (navigator.serviceWorker.controller) {
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// At this point, the old content will have been purged and the fresh content will
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// have been added to the cache.
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// It's the perfect time to display a "New content is available; please refresh."
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// message in the page's interface.
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console.log('New or updated content is available.');
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} else {
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// At this point, everything has been precached.
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// It's the perfect time to display a "Content is cached for offline use." message.
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console.log('Content is now available offline!');
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if (window.alertsService) {
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window.alertsService.add(
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'Web Maker is now ready to be used offline.'
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);
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}
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}
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console.log('New or updated content is available.');
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break;
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case 'redundant':
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