Files
ohif-viewer/platform/app/src/service-worker.js

72 lines
2.2 KiB
JavaScript

navigator.serviceWorker.getRegistrations().then(function (registrations) {
for (let registration of registrations) {
registration.unregister();
}
});
// https://developers.google.com/web/tools/workbox/guides/troubleshoot-and-debug
importScripts('https://storage.googleapis.com/workbox-cdn/releases/5.0.0-beta.1/workbox-sw.js');
// Install newest
// https://developers.google.com/web/tools/workbox/modules/workbox-core
workbox.core.skipWaiting();
workbox.core.clientsClaim();
// Cache static assets that aren't precached
workbox.routing.registerRoute(
/\.(?:js|css|json5)$/,
new workbox.strategies.StaleWhileRevalidate({
cacheName: 'static-resources',
})
);
// Cache the Google Fonts stylesheets with a stale-while-revalidate strategy.
workbox.routing.registerRoute(
/^https:\/\/fonts\.googleapis\.com/,
new workbox.strategies.StaleWhileRevalidate({
cacheName: 'google-fonts-stylesheets',
})
);
// Cache the underlying font files with a cache-first strategy for 1 year.
workbox.routing.registerRoute(
/^https:\/\/fonts\.gstatic\.com/,
new workbox.strategies.CacheFirst({
cacheName: 'google-fonts-webfonts',
plugins: [
new workbox.cacheableResponse.CacheableResponsePlugin({
statuses: [0, 200],
}),
new workbox.expiration.ExpirationPlugin({
maxAgeSeconds: 60 * 60 * 24 * 365, // 1 Year
maxEntries: 30,
}),
],
})
);
// MESSAGE HANDLER
self.addEventListener('message', event => {
if (event.data && event.data.type === 'SKIP_WAITING') {
switch (event.data.type) {
case 'SKIP_WAITING':
// TODO: We'll eventually want this to be user prompted
// workbox.core.skipWaiting();
// workbox.core.clientsClaim();
// TODO: Global notification to indicate incoming reload
break;
default:
console.warn(`SW: Invalid message type: ${event.data.type}`);
}
}
});
workbox.precaching.precacheAndRoute(self.__WB_MANIFEST);
// TODO: Cache API
// https://developers.google.com/web/fundamentals/instant-and-offline/web-storage/cache-api
// Store DICOMs?
// Clear Service Worker cache?
// navigator.storage.estimate().then(est => console.log(est)); (2GB?)