29 lines
1.1 KiB
JavaScript
29 lines
1.1 KiB
JavaScript
// Service worker: only shows push notifications. It deliberately caches
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// nothing, so the app always loads fresh from the server.
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self.addEventListener("install", () => self.skipWaiting());
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self.addEventListener("activate", event => event.waitUntil(self.clients.claim()));
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self.addEventListener("push", event => {
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let message = { title: "Flowtrack", body: "" };
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try {
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message = { ...message, ...event.data.json() };
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} catch {
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// An empty or unreadable push still has to show something on iOS.
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}
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event.waitUntil(self.registration.showNotification(message.title, {
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body: message.body,
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icon: "/icon-192.png",
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badge: "/icon-192.png",
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tag: message.tag,
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data: { url: message.url || "/" }
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}));
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});
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self.addEventListener("notificationclick", event => {
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event.notification.close();
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event.waitUntil((async () => {
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const windows = await self.clients.matchAll({ type: "window", includeUncontrolled: true });
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if (windows.length) return windows[0].focus();
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return self.clients.openWindow(event.notification.data.url);
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})());
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});
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