Workbox Caching Example

workbox-sw.js

importScripts('workbox-sw.prod.v1.1.0.js');

const workboxSW = new self.WorkboxSW();
workboxSW.precache(fileManifest);

// The route for any requests from the googleapis origin
workboxSW.router.registerRoute('https://fonts.googleapis.com/(.*)',
  workboxSW.strategies.cacheFirst({
    cacheName: 'googleapis',
    cacheableResponse: {
      statuses: [0, 200]
    },
    networkTimeoutSeconds: 4
  })
);