Files
jleibl.net/public/service-worker.js

122 lines
2.9 KiB
JavaScript

const CACHE_NAME = 'jleibl-portfolio-v1';
const PRECACHE_ASSETS = [
'/',
'/index.html',
'/manifest.json',
];
const STYLE_ASSETS = [
'/styles/global.css',
'/styles/theme.css'
];
const IMAGE_ASSETS = [
'/images/profile-image.jpg'
];
const ALL_ASSETS = [
...PRECACHE_ASSETS,
...STYLE_ASSETS,
...IMAGE_ASSETS
];
self.addEventListener('install', event => {
self.skipWaiting();
event.waitUntil(
caches.open(CACHE_NAME)
.then(cache => {
console.log('Opened cache');
return cache.addAll(PRECACHE_ASSETS);
})
);
});
self.addEventListener('activate', event => {
event.waitUntil(
caches.keys().then(cacheNames => {
return Promise.all(
cacheNames.map(cacheName => {
if (cacheName !== CACHE_NAME) {
console.log('Deleting old cache:', cacheName);
return caches.delete(cacheName);
}
})
);
})
);
return self.clients.claim();
});
function shouldCache(url) {
if (url.origin === self.location.origin) {
if (url.pathname.endsWith('.html') ||
url.pathname.endsWith('.css') ||
url.pathname.endsWith('.js') ||
url.pathname.endsWith('.jpg') ||
url.pathname.endsWith('.jpeg') ||
url.pathname.endsWith('.png') ||
url.pathname.endsWith('.svg') ||
url.pathname.endsWith('.webp') ||
url.pathname.endsWith('.woff') ||
url.pathname.endsWith('.woff2') ||
url.pathname.endsWith('.json')) {
return true;
}
if (url.pathname === '/') {
return true;
}
}
return false;
}
self.addEventListener('fetch', event => {
if (event.request.mode === 'navigate' || shouldCache(new URL(event.request.url))) {
event.respondWith(
caches.match(event.request)
.then(response => {
if (response) {
return response;
}
const fetchRequest = event.request.clone();
return fetch(fetchRequest)
.then(response => {
if (!response || response.status !== 200 || response.type !== 'basic') {
return response;
}
const responseToCache = response.clone();
if (shouldCache(new URL(event.request.url))) {
caches.open(CACHE_NAME)
.then(cache => {
cache.put(event.request, responseToCache);
});
}
return response;
})
.catch(error => {
console.log('Fetch failed:', error);
if (event.request.mode === 'navigate') {
return caches.match('/');
}
return null;
});
})
);
}
});
self.addEventListener('message', event => {
if (event.data && event.data.type === 'SKIP_WAITING') {
self.skipWaiting();
}
});