Caching service worker

caching_service_worker.js

  // Your code here...
    workbox.routing.registerRoute(
  /\.(?:png|gif|jpg|jpeg|svg)$/,
  workbox.strategies.cacheFirst({
    cacheName: 'images',
    plugins: [
      new workbox.expiration.Plugin({
        maxEntries: 60,
        maxAgeSeconds: 30 * 24 * 60 * 60, // 30 Days
      }),
    ],
  }),
);