https://businessinsider.com.pl/sw.js

1try {
2    run();
3} catch (e) {
4    console.warn('Workbox not supported');
5}
6
7function run() {
8    importScripts('https://storage.googleapis.com/workbox-cdn/releases/7.1.0/workbox-sw.js');
9    const { clientsClaim } = workbox.core;
10
11    self.skipWaiting();
12    clientsClaim();
13
14    cacheFirst({
15        destination: 'style',
16        maxAgeSeconds: 432000,
17        maxEntries: 50,
18    });
19
20    cacheFirst({
21        destination: 'script',
22        maxAgeSeconds: 432000,
23        maxEntries: 50,
24    });
25
26    cacheFirst({
27        destination: 'image',
28        maxAgeSeconds: 432000,
29        maxEntries: 240,
30    });
31
32    cacheFirst({
33        destination: 'font',
34        maxAgeSeconds: 31536000,
35        maxEntries: 10,
36    });
37}
38
39function cacheFirst({ destination, maxEntries, maxAgeSeconds }) {
40    const { CacheFirst } = workbox.strategies;
41    const { CacheableResponsePlugin } = workbox.cacheableResponse;
42    const { ExpirationPlugin } = workbox.expiration;
43    const { registerRoute } = workbox.routing;
44    const allowedOrigins = ['https://cdn.businessinsider.com.pl'];
45
46    registerRoute(
47        ({ request, url }) => request.destination === destination && allowedOrigins.includes(url.origin),
48        new CacheFirst({
49            cacheName: `static-${destination}`,
50            fetchOptions: {
51                mode: 'cors',
52                credentials: 'same-origin',
53            },
54            plugins: [
55                new CacheableResponsePlugin({ statuses: [200] }),
56                new ExpirationPlugin({ maxEntries, maxAgeSeconds }),
57            ],
58        }),
59    );
60}