blob: 160c3fbf25772b48c98838d52ef58b8801763dc5 (
plain) (
blame)
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
|
import './web_push_notifications';
function openSystemCache() {
return caches.open('mastodon-system');
}
function openWebCache() {
return caches.open('mastodon-web');
}
function fetchRoot() {
return fetch('/', { credentials: 'include' });
}
// Cause a new version of a registered Service Worker to replace an existing one
// that is already installed, and replace the currently active worker on open pages.
self.addEventListener('install', function(event) {
event.waitUntil(Promise.all([openWebCache(), fetchRoot()]).then(([cache, root]) => cache.put('/', root)));
});
self.addEventListener('activate', function(event) {
event.waitUntil(self.clients.claim());
});
self.addEventListener('fetch', function(event) {
const url = new URL(event.request.url);
if (url.pathname.startsWith('/web/')) {
const asyncResponse = fetchRoot();
const asyncCache = openWebCache();
event.respondWith(asyncResponse.then(async response => {
if (response.ok) {
const cache = await asyncCache;
await cache.put('/', response);
return response.clone();
}
throw null;
}).catch(() => asyncCache.then(cache => cache.match('/'))));
} else if (url.pathname === '/auth/sign_out') {
const asyncResponse = fetch(event.request);
const asyncCache = openWebCache();
event.respondWith(asyncResponse.then(async response => {
if (response.ok || response.type === 'opaqueredirect') {
const cache = await asyncCache;
await cache.delete('/');
}
return response;
}));
} else if (process.env.CDN_HOST ? url.host === process.env.CDN_HOST : url.pathname.startsWith('/system/')) {
event.respondWith(openSystemCache().then(async cache => {
const cached = await cache.match(event.request.url);
if (cached === undefined) {
const fetched = await fetch(event.request);
if (fetched.ok) {
await cache.put(event.request.url, fetched.clone());
}
return fetched;
}
return cached;
}));
}
});
|
