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
|
var VERSION = 'v64 - 2024-04-15';
var toCache = [
'/',
'activePage.js',
'activePage.js.map',
'config.js',
'config.js.map',
'favicon.ico',
'hesla.js',
'hesla.js.map',
'hesla.webapp',
'android-chrome-192x192.png',
'android-chrome-512x512.png',
'apple-touch-icon.png',
'favicon-16x16.png',
'favicon-32x32.png',
'lamb-of-God.svg',
'index_de.html',
'index.html',
'screen.css',
'site.webmanifest'
];
self.addEventListener('install', event => {
console.log('install version = ' + VERSION);
event.waitUntil(
caches.open(VERSION)
.then(
c => c.addAll(toCache)
.then(v => console.log('Yay!' + VERSION), e => console.log('Error'))
)
);
});
self.addEventListener('activate', event => {
console.log('activate version = ' + VERSION);
console.log('keys:\n' + caches.keys());
event.waitUntil(caches.keys().then(
keys => Promise.all(
keys.filter(key => key != VERSION).
map(key => caches.delete(key))
)
)
);
});
self.addEventListener('fetch', function(event) {
event.respondWith(caches.match(event.request).then(function(response) {
// caches.match() always resolves
// but in case of success response will have value
if (response !== undefined) {
return response;
} else {
return fetch(event.request).then(function (response) {
// response may be used only once
// we need to save clone to put one copy in cache
// and serve second one
let responseClone = response.clone();
caches.open(VERSION).then(function (cache) {
cache.put(event.request, responseClone);
});
return response;
}).catch(function () {
return caches.match('/sw-test/gallery/myLittleVader.jpg');
});
}
}));
});
|
