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sw.js
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sw.js
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const staticCacheName = 'restaurant-1';
const resourcesToCache = [
'index.html',
'restaurant.html',
'css/styles.css',
'data/restaurants.json',
'js/dbhelper.js',
'js/restaurant_info.js',
'js/main.js',
'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',
'https://unpkg.com/leaflet@1.3.1/dist/images/marker-icon.png',
'https://unpkg.com/leaflet@1.3.1/dist/leaflet.css',
'https://unpkg.com/leaflet@1.3.1/dist/leaflet.js',
];
self.addEventListener('install', event => {
event.waitUntill(
caches.open(staticCacheName).then(cache => {
return cache.addAll(resourcesToCache);
})
);
});
/*
* checks for a request in cache, return response if found
* or
* request resource from the network and save it into
* the cache, so the later request for that resource
* could be retrieved offline
*/
self.addEventListener('fetch', event => {
event.respondWith(
caches.match(event.request, { ignoreSearch: true }).then(response => {
return response || fetch(event.request).then(res => {
return caches.open(staticCacheName).then(cache => {
cache.put(event.request, res.clone());
return res;
})
});
})
);
});