зеркало из https://github.com/mozilla/gecko-dev.git
34 строки
1.3 KiB
JavaScript
34 строки
1.3 KiB
JavaScript
var name = 'refresherCache';
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self.addEventListener('install', function(event) {
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event.waitUntil(
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Promise.all([caches.open(name),
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fetch('./sw_clients/refresher_cached.html'),
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fetch('./sw_clients/refresher_cached_compressed.html')]).then(function(results) {
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var cache = results[0];
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var response = results[1];
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var compressed = results[2];
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return Promise.all([cache.put('./sw_clients/refresher.html', response),
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cache.put('./sw_clients/refresher_compressed.html', compressed)]);
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})
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);
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});
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self.addEventListener('fetch', function (event) {
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event.respondWith(
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caches.open(name).then(function(cache) {
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return cache.match(event.request);
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}).then(function(response) {
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// If this is one of our primary cached responses, then the window
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// must have generated the request via a normal window reload. That
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// should be detectable in the event.request.cache attribute.
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if (response && event.request.cache !== 'no-cache') {
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dump('### ### FetchEvent.request.cache is "' + event.request.cache +
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'" instead of expected "no-cache"\n');
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return Response.error();
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}
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return response || fetch(event.request);
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})
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);
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});
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