File size: 895B
const CACHE_NAME = 'goload-pwa-cache';
self.addEventListener('activate', (event) => {
const cacheWhitelist = [CACHE_NAME];
event.waitUntil(
caches.keys()
.then(keyList =>
Promise.all(keyList.map(key => {
if (!cacheWhitelist.includes(key)) {
return caches.delete(key)
}
}))
)
)
});
self.addEventListener('install', (event) => {
event.waitUntil(
caches.open(CACHE_NAME)
.then(cache => {
fetch('manifest.json')
.then(response => response.json())
.then(assets => {
const resources = [
'/offline',
'favicon.ico',
'assets/img/icon_256.png'
]
cache.addAll(resources)
})
})
)
});
self.addEventListener('fetch', (event) => {
if (event.request.method === 'GET') {
event.respondWith(
caches.match(event.request)
.then(response => response || fetch(event.request))
.catch(error => caches.match('/offline'))
)
}
});