Files

54 lines
1.2 KiB
JavaScript

const CACHE_NAME = 'pinail2-cache-v1';
const APP_SHELL = [
'/',
'/static/style.css',
'/static/app.js',
'/static/img/pi_favicon.png',
'/static/img/pinail_logo.svg',
'/static/manifest.webmanifest'
];
self.addEventListener('install', function(event) {
event.waitUntil(
caches.open(CACHE_NAME).then(function(cache) {
return cache.addAll(APP_SHELL);
})
);
self.skipWaiting();
});
self.addEventListener('activate', function(event) {
event.waitUntil(
caches.keys().then(function(keys) {
return Promise.all(
keys
.filter(function(key) { return key !== CACHE_NAME; })
.map(function(key) { return caches.delete(key); })
);
})
);
self.clients.claim();
});
self.addEventListener('fetch', function(event) {
if (event.request.method !== 'GET') {
return;
}
event.respondWith(
fetch(event.request)
.then(function(response) {
const cloned = response.clone();
caches.open(CACHE_NAME).then(function(cache) {
cache.put(event.request, cloned);
});
return response;
})
.catch(function() {
return caches.match(event.request).then(function(cached) {
return cached || caches.match('/');
});
})
);
});