https://www.feelgoodcontacts.ie/scripts/swjs.js

1const CACHE_NAME = 'image-cache-v1';
2const CACHE_CSS_NAME = 'css-cache-v1';
3const CACHE_JS_NAME = 'js-cache-v1';
4const CACHE_FONT_NAME = 'font-cache-v1';
5
6const domainRegex = new RegExp("https:\/\/(localhost:.[0-9]+|www.feelgoodcontacts.[a-z]+|static2.feelgoodcontacts.net|static.lensgroup.co|[a-z0-9]+.lensgroup.co)\.");
7//const domainRegex = new RegExp("https:\/\/(ukwebsite.google.co)\.");
8
9self.addEventListener('fetch', (event) => {
10    //console.log('Service Worker get the reqeust', event.request);
11    // Check if the request destination is an image
12    if (domainRegex.test(event.request.url)) {
13        var cacheName = '';
14        switch (event.request.destination) {
15            case "image": {
16                cacheName = "image-cache-v1";
17            }
18            case "style": {
19                cacheName = "css-cache-v1";
20            }
21            case "script": {
22                cacheName = "js-cache-v1";
23            }
24            case "font": {
25                cacheName = "font-cache-v1";
26            }
27        }
28
29        if (cacheName.length > 0) {
30            event.respondWith(
31                caches.match(event.request).then((cachedResponse) => {
32                    // Return cached image if available  
33                    if (cachedResponse) {
34                        return cachedResponse;
35                    }
36                    // Otherwise fetch from network, cache it, and return
37                    return fetch(event.request).then((networkResponse) => {
38                        try {
39                            return caches.open(cacheName).then((cache) => {
40                                cache.put(event.request, networkResponse.clone());
41                                return networkResponse;
42                            });
43                        } catch (error) {
44                            //Storage quota exceeded! Clearing old items or notifying user...
45                            if (error.name === 'QuotaExceededError') {
46                                console.error('SW Storage quota exceeded!');
47                            } else {
48                                console.error('SW error! ', error);
49                            }
50                            return networkResponse;
51                        }
52
53                    });
54                })
55            );
56        }
57    }
58
59});