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serviceworker.js
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serviceworker.js
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"use strict";
console.log('SERVICE-WORKER: executing.');
var version = '::Herlina::';
var offlineFundamentals = [
'/',
'/index.html',
'css/custom.css',
'css/map.css',
'css/peta.css',
'css/myGrid.css',
'css/myStyle.css',
'css/myCssGrid.css',
'js/add2numbers.js',
'js/map.js',
'js/peta.js',
'js/peta-fetch-json.js',
'/jquery.js',
'/ambilserviceworker.js',
'data/petanew.json',
'images/moi.jpg',
'images/hp.png',
'images/calcu1.png',
'images/map1.png',
'images/resto.png',
'images/icon-a.png',
'images/icon-b.png',
'images/icon-c.png',
'images/imgpeta/coklat.jpg',
'images/imgpeta/bukit.jpg',
'images/imgpeta/wss.jpg',
'images/imgpeta/nelongso.jpg',
'images/imgpeta/Ria-Djenaka.jpg',
'images/imgpeta/upnormal.jpg',
'images/imgpeta/json.png',
'images/imgpeta/arab.jpg',
'images/imgpeta/arab-deco.jpg',
'https://unpkg.com/leaflet@1.3.4/dist/leaflet.css',
'https://unpkg.com/leaflet@1.3.4/dist/leaflet.js',
'project1/add2numbers.html',
'project2/mapbox.html',
// 'project3/peta.html',
'project4/peta.html'
];
self.addEventListener("install", function (event) {
console.log('SERVICE-WORKER: install event in progress.');
event.waitUntil(
caches
.open(version + 'fundamentals')
.then(function (cache) {
return cache.addAll(offlineFundamentals);
})
.then(function () {
console.log('SERVICE-WORKER: install completed');
})
);
});
self.addEventListener("fetch", function (event) {
console.log('SERVICE-WORKER: fetch event in progress.');
if (event.request.method !== 'GET') {
console.log('SERVICE-WORKER: fetch event ignored.', event.request.method, event.request.url);
return;
}
event.respondWith(
caches
.match(event.request)
.then(function (cached) {
var networked = fetch(event.request)
.then(fetchedFromNetwork, unableToResolve)
.catch(unableToResolve);
console.log('SERVICE-WORKER: fetch event', cached ? '(cached)' : '(network)', event.request.url);
return cached || networked;
function fetchedFromNetwork(response) {
var cacheCopy = response.clone();
console.log('SERVICE-WORKER: fetch response from network.', event.request.url);
caches
.open(version + 'pages')
.then(function add(cache) {
return cache.put(event.request, cacheCopy);
})
.then(function () {
console.log('SERVICE-WORKER: fetch response stored in cache.', event.request.url);
});
return response;
}
function unableToResolve() {
console.log('SERVICE-WORKER: fetch request failed in both cache and network.');
return new Response('<h1>Service Unavailable</h1>', {
status: 503,
statusText: 'Service Unavailable',
headers: new Headers({
'Content-Type': 'text/html'
})
});
}
})
);
});
self.addEventListener("activate", function (event) {
console.log('SERVICE-WORKER: activate event in progress.');
event.waitUntil(
caches
.keys()
.then(function (keys) {
return Promise.all(
keys
.filter(function (key) {
return !key.startsWith(version);
})
.map(function (key) {
return caches.delete(key);
})
);
})
.then(function () {
console.log('SERVICE-WORKER: activate completed.');
})
);
});