blob: be23018b0b425e271e309979f1bd2f47a983d0ad (
plain)
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
|
const cachable_api = [
'/image/',
'/profile/',
];
const is_cachable = (url) => {
if (!url.includes('/api/') || url.endsWith('.js')) {
return true;
}
for (const api of cachable_api) {
if (url.includes(api)) {
return true;
}
}
return false;
}
const put_in_cache = async (request, response) => {
const cache = await caches.open("v1");
await cache.put(request, response);
};
const cache_first = async (request, event) => {
if (request.method !== 'GET') {
return await fetch(request);
}
if (!is_cachable(request.url)) {
return await fetch(request);
}
const responseFromCache = await caches.match(request);
if (responseFromCache) {
return responseFromCache;
}
const responseFromNetwork = await fetch(request);
event.waitUntil(put_in_cache(request, responseFromNetwork.clone()));
return responseFromNetwork;
};
self.addEventListener("fetch", (event) => {
event.respondWith(cache_first(event.request, event));
});
|
