sw.js

import { registerRoute } from 'workbox-routing';
import {
  NetworkFirst,
  StaleWhileRevalidate,
  CacheFirst,
} from 'workbox-strategies';
import { ExpirationPlugin } from 'workbox-expiration';
import { CacheableResponsePlugin } from 'workbox-cacheable-response';
import * as googleAnalytics from 'workbox-google-analytics';

googleAnalytics.initialize();

registerRoute(
  ({ request }) => request.mode === 'navigate',
  new NetworkFirst({
    cacheName: 'index',
    plugins: [
      new CacheableResponsePlugin({
        statuses: [200],
      }),
    ],
  }),
);

registerRoute(
  ({ request }) =>
    request.destination === 'style' || request.destination === 'script',
  new StaleWhileRevalidate({
    cacheName: 'static-resources',
    plugins: [
      new CacheableResponsePlugin({
        statuses: [200],
      }),
      new ExpirationPlugin({
        maxAgeSeconds: 30 * 24 * 60 * 60, // 30 Days
        purgeOnQuotaError: true,
      }),
    ],
  }),
);

registerRoute(
  ({ request }) => request.destination === 'image',
  new CacheFirst({
    cacheName: 'images',
    plugins: [
      new ExpirationPlugin({
        maxEntries: 60,
        maxAgeSeconds: 30 * 24 * 60 * 60, // 30 Days
        purgeOnQuotaError: true,
      }),
      new CacheableResponsePlugin({
        statuses: [0, 200],
      }),
    ],
  }),
);

registerRoute(
  /.*\.(json|txt)$/,
  new StaleWhileRevalidate({
    cacheName: 'data',
    plugins: [
      new ExpirationPlugin({
        maxAgeSeconds: 7 * 24 * 60 * 60, // 7 Days
        purgeOnQuotaError: true,
      }),
      new CacheableResponsePlugin({
        statuses: [200],
      }),
    ],
  }),
);

registerRoute(
  /.*api\.mapbox\.com\/fonts/,
  new CacheFirst({
    cacheName: 'mapbox-fonts',
    plugins: [
      new ExpirationPlugin({
        maxEntries: 10,
        purgeOnQuotaError: true,
      }),
      new CacheableResponsePlugin({
        statuses: [200],
      }),
    ],
  }),
);

registerRoute(
  /.*(?:tiles\.mapbox|api\.mapbox)\.com.*$/,
  new StaleWhileRevalidate({
    cacheName: 'mapbox',
    plugins: [
      new ExpirationPlugin({
        maxAgeSeconds: 30 * 24 * 60 * 60, // 30 Days
        purgeOnQuotaError: true,
      }),
      new CacheableResponsePlugin({
        statuses: [200],
      }),
    ],
  }),
);