-
Notifications
You must be signed in to change notification settings - Fork 0
/
service-worker.js
73 lines (67 loc) · 2.22 KB
/
service-worker.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
let cacheName = 'pwa-v.1.1.0';
function addToCache(cacheName, request, response) {
caches.open(cacheName)
.then(cache => { cache.put(request, response) });
}
function preCache() {
return caches.open(cacheName).then(cache => {
return cache.addAll([
'/',
'modal_files/jquery-1.11.0.js',
'modal_files/style.css',
'modal_files/bootstrap.min.js',
'js/scripts.js',
'css/style.css',
'css/colors.css',
'js/object.observe.polyfill.js',
'js/array.observe.polyfill.js'
]);
});
}
self.addEventListener('install', (e) => {
console.log('[ServiceWorker] Installer');
e.waitUntil(preCache());
});
self.addEventListener('activate', (e) => {
console.log('[ServiceWorker] Activate');
e.waitUntil(
caches.keys().then(keyList => {
return Promise.all(keyList.map(key => {
if (key !== cacheName) {
console.log('[ServiceWorker] Removing old cache');
return caches.delete(key);
}
}));
})
);
});
self.addEventListener('fetch', (e) => {
let request = e.request,
acceptHeader = request.headers.get('Accept');
if (acceptHeader.indexOf('text/html') !== -1) {
e.respondWith(
fetch(request)
.then(response => {
if (response.ok)
addToCache(cacheName, request, response.clone());
return response;
})
.catch(() => {
return caches.match(request).then(response => {
return response;
})
})
);
} else if (request.url.indexOf('dragvesti.github.io') !== -1 && (request.url.indexOf('.js') !== -1 || request.url.indexOf('.css') !== -1)) {
e.respondWith(
caches.match(request)
.then(response => {
let fetchPromise = fetch(e.request).then(networkResponse => {
addToCache(cacheName, request, networkResponse.clone());
return networkResponse;
})
return response || fetchPromise;
})
);
}
});