NotificationEvent

self.addEventListener("notificationclick", (event) => {
  console.log(`通知被点击：${event.notification.tag}`);
  event.notification.close();

  // 这会检查当前标签页是否已打开并聚焦
  event.waitUntil(
    clients
      .matchAll({
        type: "window",
      })
      .then((clientList) => {
        for (const client of clientList) {
          if (client.url === "/" && "focus" in client) return client.focus();
        }
        if (clients.openWindow) return clients.openWindow("/");
      }),
  );
});