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31 lines
1.0 KiB
JavaScript
31 lines
1.0 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(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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// 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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