34 lines
1.2 KiB
JavaScript
34 lines
1.2 KiB
JavaScript
addEventListener("install", function (evt) {
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evt.waitUntil(self.skipWaiting());
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});
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addEventListener("activate", function (evt) {
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// We claim the current clients in order to ensure that we have an
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// active client when we call unregister in the fetch handler. Otherwise
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// the unregister() can kill the current worker before returning a
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// response.
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evt.waitUntil(clients.claim());
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});
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addEventListener("fetch", function (evt) {
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// This worker may live long enough to receive a fetch event from the next
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// test. Just pass such requests through to the network.
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if (!evt.request.url.includes("fake_download")) {
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return;
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}
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// We should only get a single download fetch event. Automatically unregister.
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evt.respondWith(
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registration.unregister().then(function () {
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return new Response("service worker generated download", {
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headers: {
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"Content-Disposition": 'attachment; filename="fake_download.bin"',
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// Prevent the default text editor from being launched
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"Content-Type": "application/octet-stream",
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// fake encoding header that should have no effect
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"Content-Encoding": "gzip",
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},
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});
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})
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);
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});
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