source/sw.js
importScripts("https://storage.googleapis.com/workbox-cdn/releases/4.3.1/workbox-sw.js"),workbox&&(workbox.routing.registerRoute(/\.(?:js|css|html)$/,new workbox.strategies.StaleWhileRevalidate({cacheName:"content"})),workbox.routing.registerRoute(/\.(?:png|svg|xml|ico|json|woff|woff2)$/,new workbox.strategies.CacheFirst({cacheName:"icons",plugins:[new workbox.expiration.Plugin({maxEntries:60,maxAgeSeconds:2592e3})]})),addEventListener("message",e=>{e.data&&"SKIP_WAITING"===e.data.type&&skipWaiting()}))