text: self.importScripts('/assets/js/data/swcache.js'); const cacheName = 'chirpy-20211109.1842'; function verifyDomain(url) { for (const domain of allowedDomains) { const regex = RegExp(`^http(s)?:\/\/${domain}\/`); if (regex.test(url)) { return true; } } return false; } function isExcluded(url) { for (const item of denyUrls) { if (url === item) { return true; } } return false; } self.addEventListener('install', e => { self.skipWaiting(); e.waitUntil( caches.open(cacheName).then(cache => { return cache.addAll(resource); }) ); }); self.addEventListener('fetch', event => { event.respondWith( caches.match(event.request) .then(response => { if (response) { return response; } return fetch(event.request) .then(response => { const url = event.request.url; if (event.request.method !== 'GET' || !verifyDomain(url) || isExcluded(url)) { return response; } /* see: <https://developers.google.com/web/fundamentals/primers/service-workers#cache_and_return_requests> */ let responseToCache = response.clone(); caches.open(cacheName) .then(cache => { /* console.log('[sw] Caching new resource: ' + event.request.url); */ cache.put(event.request, responseToCache); }); return response; }); }) ); }); self.addEventListener('activate', e => { e.waitUntil( caches.keys().then(keyList => { return Promise.all( keyList.map(key => { if(key !== cacheName) { return caches.delete(key); } }) ); }) ); });
  