45 lines
1002 B
JavaScript
45 lines
1002 B
JavaScript
const CACHE_NAME = 'pt-system-cache-v1';
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const urlsToCache = [
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'./',
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'./?page=login',
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'./assets/css/style.css',
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'./assets/js/main.js',
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'./assets/js/location.js',
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'./assets/img/logo.png'
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];
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// Install Event
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self.addEventListener('install', event => {
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event.waitUntil(
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caches.open(CACHE_NAME)
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.then(cache => {
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return cache.addAll(urlsToCache);
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})
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);
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});
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// Fetch Event - Network first, fallback to cache
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self.addEventListener('fetch', event => {
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event.respondWith(
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fetch(event.request).catch(() => {
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return caches.match(event.request);
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})
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);
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});
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// Activate Event - Clean up old caches
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self.addEventListener('activate', event => {
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const cacheWhitelist = [CACHE_NAME];
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event.waitUntil(
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caches.keys().then(cacheNames => {
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return Promise.all(
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cacheNames.map(cacheName => {
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if (cacheWhitelist.indexOf(cacheName) === -1) {
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return caches.delete(cacheName);
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}
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})
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);
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})
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);
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});
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