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sw.js
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sw.js
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var CacheName = 'cache';
self.addEventListener('install' , (event) => {
event.waitUntil(
caches.open(CacheName).then( (cache) => {
return cache.add([
'/',
'/index.html',
'/restaurant.html',
'/styles.css',
'/js/main.js',
'/js/restaurant_info.js',
'/js/dbhelper.js',
'/data/restaurants.json',
'/img/1.jpg',
'/img/2.jpg',
'/img/3.jpg',
'/img/4.jpg',
'/img/5.jpg',
'/img/6.jpg',
'/img/7.jpg',
'/img/8.jpg',
'/img/9.jpg',
'/img/10.jpg',
]);
})
);
});
self.addEventListener('activate' ,(event) => {
event.waitUntil(
caches.keys()
.then((CacheNames) => {
return Promise.all(
CacheNames.filter((Cachename) => {
return Cachename != CacheName && Cachename.startsWith('restaurant-')
}).map((cacheName) => {
return caches.delete(cacheName);
}
)
)
})
)
});
self.addEventListener( 'fetch' ,(event) => {
event.respondWith(
caches.match(eventrequest)
.then((response) => {
return response || fetch(event.request);
})
)
})