38 lines
1.2 KiB
HTML
38 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="utils.js"></script>
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<title>Fenced frame content to report the result of background fetch in SW</title>
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<body>
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<script type="module">
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const [background_fetch_register_key, method] = parseKeylist();
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const getController = () => {
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if (navigator.serviceWorker.controller) {
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return navigator.serviceWorker.controller;
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}
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return new Promise(resolve => {
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navigator.serviceWorker.addEventListener('controllerchange', () => {
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resolve(navigator.serviceWorker.controller);
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});
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});
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};
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const sendMessageToServiceWorker = async () => {
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const ctrl = await getController();
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return new Promise(resolve => {
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ctrl.postMessage(method);
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navigator.serviceWorker.onmessage = e => {
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resolve(e.data);
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}
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});
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};
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await navigator.serviceWorker.register(
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"background-fetch-sw.js", { scope: location.href });
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const data = await sendMessageToServiceWorker();
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writeValueToServer(background_fetch_register_key, data);
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</script>
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</body>
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