// This is the "Offline copy of pages" service worker const CACHE = "pwabuilder-offline"; importScripts('https://storage.googleapis.com/workbox-cdn/releases/5.1.2/workbox-sw.js'); self.addEventListener("message", (event) => { if (event.data && event.data.type === "SKIP_WAITING") { self.skipWaiting(); } }); workbox.routing.registerRoute( new RegExp('/*'), new workbox.strategies.StaleWhileRevalidate({ cacheName: CACHE }) );