[Glitch] Converted app/javascript/flavours/glitch/utils/ folder to TypeScript

Port 1142f4c79e to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/utils/notifications.ts

@@ -0,0 +1,13 @@
+/**
+ * Tries Notification.requestPermission, console warning instead of rejecting on error.
+ * @param callback Runs with the permission result on completion.
+ */
+export const requestNotificationPermission = async (
+  callback: NotificationPermissionCallback,
+) => {
+  try {
+    callback(await Notification.requestPermission());
+  } catch (error) {
+    console.warn(error);
+  }
+};