63 lines
2.1 KiB
JavaScript
63 lines
2.1 KiB
JavaScript
// Shows the server's web push notifications and opens the conversation they belong to.
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// No fetch handler: the app always loads from the network.
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self.addEventListener("install", () => {
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self.skipWaiting();
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});
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self.addEventListener("activate", (event) => {
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event.waitUntil(self.clients.claim());
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});
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function appPath(value) {
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return typeof value === "string" && value.startsWith("/") && !value.startsWith("//")
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? value
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: "/app";
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}
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self.addEventListener("push", (event) => {
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event.waitUntil(
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(async () => {
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let data = {};
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try {
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data = event.data ? event.data.json() : {};
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} catch {
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data = {};
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}
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const windows = await self.clients.matchAll({ type: "window", includeUncontrolled: true });
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// The app in front of the user already shows what happened.
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if (windows.some((client) => client.focused && client.visibilityState === "visible")) return;
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await self.registration.showNotification(
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typeof data.title === "string" && data.title ? data.title : "evOo",
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{
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body: typeof data.body === "string" ? data.body : "",
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// Same tag as the in-app notification, so one replaces the other.
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tag: typeof data.tag === "string" && data.tag ? data.tag : undefined,
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icon: "/icon-192.png",
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badge: "/icon-192.png",
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data: { url: appPath(data.url) },
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},
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);
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})(),
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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(
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(async () => {
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const target = new URL(appPath(event.notification.data?.url), self.location.origin).href;
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const windows = await self.clients.matchAll({ type: "window", includeUncontrolled: true });
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const open =
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windows.find((client) => client.url === target) ??
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windows.find((client) => new URL(client.url).origin === self.location.origin);
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if (!open) {
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await self.clients.openWindow(target);
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return;
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}
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const focused = await open.focus();
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if (focused.url !== target) await focused.navigate(target).catch(() => undefined);
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})(),
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);
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});
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