export function registerServiceWorker() {
  if (!("serviceWorker" in navigator)) {
    throw new Error("No Service Worker support!");
  }
  navigator.serviceWorker.register("/sw.js");
}

export function requestNotificationPermission() {
  if (!("PushManager" in window)) {
    throw new Error("No Push API Support!");
  }
  window.Notification.requestPermission();
}

export function windowNotificationPermission() {
  return window.Notification.permission
}

export function notificationCount() {
  return this.$matrix.notificationCount
}