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import timestamp from "/assets/metadata.js"
const sw_cache = {
offline: "/offline.html",
default: [
"/assets/index.css",
"/vendor/prism.css",
"/assets/index.js",
"/favicon/icon.svg",
"/offline.html",
],
store: timestamp,
};
(function() {
self.addEventListener("install", event => {
self.skipWaiting();
event.waitUntil((async() => {
const cache = await self.caches.open(sw_cache.store);
return cache.addAll(sw_cache.default);
})());
});
self.addEventListener("activate", event => {
event.waitUntil((async() => {
const keys = await self.caches.keys();
return Promise.all(keys.map(key => {
if (key !== sw_cache.store) {
return self.caches.delete(key);
}
}));
})());
});
self.addEventListener("fetch", event => {
event.respondWith((async() => {
if (event.request.method != "GET") {
return fetch(event.request);
}
const req_url = new URL(event.request.url);
if (req_url.origin != self.location.origin) {
return fetch(event.request);
}
const cacheres = await self.caches.match(event.request);
return cacheres || (async() => {
try {
const response = await self.fetch(event.request);
const cache = await self.caches.open(sw_cache.store);
cache.put(event.request, response.clone());
return response;
} catch {
return self.caches.match(sw_cache.offline);
}
})();
})());
});
})();
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