pyscript-bootstrap-templates/examples/04_cell_detector/serviceWorker.js

51 lines
1.5 KiB
JavaScript

const pwa_version = "04_cell_detector_202306031006"
const assets = ["./index.html",
"./main.py",
"./resources/bootstrap.css",
"./resources/bootstrap.js",
"./resources/pyscript.css",
"./resources/pyscript.js",
"./resources/pyscript.py",
"./resources/pyscript_bootstrap_templates-0.2.0-py3-none-any.whl",
"./resources/pwa.js",
"./site.js",
]
self.addEventListener("install", installEvent => {
installEvent.waitUntil(
caches.open(pwa_version).then(cache => {
cache.addAll(assets).then(r => {
console.log("Cache assets downloaded");
}).catch(err => console.log("Error caching item", err))
console.log(`Cache ${pwa_version} opened.`);
}).catch(err => console.log("Error opening cache", err))
)
})
self.addEventListener('activate', e => {
console.log('Service Worker: Activated');
});
self.addEventListener('fetch', event => {
if (event.request.method != 'GET')
return;
event.respondWith((async () => {
const cachedResponse = await caches.match(event.request);
if (cachedResponse) {
return cachedResponse;
}
const response = await fetch(event.request);
if (!response || response.status !== 200 || response.type !== 'basic') {
return response;
}
const responseToCache = response.clone();
const cache = await caches.open(pwa_version)
await cache.put(event.request, response.clone());
return response;
})());
});