Ekapp/skolehjem/public/js/serviceWorkerCachedWebpags.js

82 lines
2.1 KiB
JavaScript

const staticCacheName = 'site-static-v2';
const dynamicCacheName = 'site-dynamic-v1';
const assets = [
'/',
'/css/app.css',
'/css/normalize.css',
'/css/webapp.css',
'/css/webappdark.css',
'/home',
'/events'
];
// install event
self.addEventListener('install', evt => {
//console.log('service worker installed');
evt.waitUntil(
caches.open(staticCacheName).then((cache) => {
console.log('caching shell assets');
return cache.addAll(assets);
})
);
});
// activate event
self.addEventListener('activate', evt => {
//console.log('service worker activated');
evt.waitUntil(
caches.keys().then(keys => {
//console.log(keys);
return Promise.all(keys
.filter(key => key !== staticCacheName && key !== dynamicCacheName)
.map(key => caches.delete(key))
);
})
);
});
// fetch event
self.addEventListener('fetch', evt => {
//console.log('fetch event', evt);
evt.respondWith(
caches.match(evt.request).then(cacheRes => {
return cacheRes || fetch(evt.request).then(fetchRes => {
return caches.open(dynamicCacheName).then(cache => {
cache.put(evt.request.url, fetchRes.clone()).then(r => {
return fetchRes;
});
})
});
})
);
});
//Push notification, this is more of a demo you can test in the dev tool
self.addEventListener('push', evt => {
const title = "Test Notification";
const body = "Det her et en demo på hvordan en notification kan se ud! ";
const icon = "/icons/browserFavIcon.svg"
const tag = "simple-push-example-tag";
evt.waitUntil(
self.registration.showNotification(title, {
body : body,
icon : icon,
tag : tag
})
);
});
function displayNotification(){
if(Notification.permission === 'granted'){
navigator.serviceWorker.getRegistration()
.then(function (reg){
reg.showNotification('Helloe ')
})
}
}