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12 lines
224 B
JavaScript
12 lines
224 B
JavaScript
4 years ago
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'use strict';
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self.addEventListener('fetch', function (event) {
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event.respondWith(caches.match(event.request).then(function (response) {
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if (!response) {
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return fetch(event.request);
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}
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return response;
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}));
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});
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