service-worker-update.html

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<!DOCTYPE html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/speculation-rules/prerender/resources/utils.js"></script>

<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>

<body>

<script type="module">

const params = new URLSearchParams(location.search);

const uid = params.get('uid');

// The main test page (restriction-service-worker-update.https.html) loads the

// initiator page, then the initiator page will prerender itself with the

// `prerendering` parameter.

const isPrerendering = params.has('prerendering');

if (!isPrerendering) {

  loadInitiatorPage();

} else {

  const registration =

      await navigator.serviceWorker.getRegistration(location.href);

  const prerenderEventCollector = new PrerenderEventCollector();

  const promise = registration.update()

      .then(registration => {

        prerenderEventCollector.addEvent('service worker updated');

});

  prerenderEventCollector.start(

      promise, 'ServiceWorkerRegistration.update');

</script>

</body>