Why calendar is empty?

sonichy · May 4, 2025, 1:06pm

import * as Calendar from 'resource:///org/gnome/shell/ui/calendar.js';

const menuItem = new PopupMenu.PopupMenuItem('');
let calendar = new Calendar.Calendar();
menuItem.add_child(calendar);
menuItem.height = 300;
let now = new Date();
calendar.setDate(now);        
this._indicator.menu.addMenuItem(menuItem);