24 lines
638 B
JavaScript
24 lines
638 B
JavaScript
self.addEventListener('install', function (event) {
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var offlineRequest = new Request('offline.html');
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event.waitUntil(
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fetch(offlineRequest).then(function (response) {
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return caches.open('offline').then(function (cache) {
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return cache.put(offlineRequest, response);
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});
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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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var request = event.request;
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if (request.method === 'GET') {
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event.respondWith(
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fetch(request).catch(function () {
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return caches.open('offline').then(function (cache) {
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return cache.match('offline.html');
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});
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})
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);
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}
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});
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