app_vue2/use/layout/Menus/agendaMenu.ts

import {ItemMenu, ItemsMenu} from "~/types/interfaces";
import BaseMenu from "~/use/layout/Menus/baseMenu";

class AgendaMenu extends BaseMenu{
  private $ability:any;

  constructor($config:any, $ability:any) {
    super($config)
    this.$ability = $ability
  }

  /**
   * Construit le menu Agenda ou null si aucune page accessible
   * @return {ItemMenu | null}
   */
  getMenu():ItemMenu | null {
    const children:ItemsMenu = [];

    if (this.$ability().can('display', 'agenda_page')) {
      children.push(this.constructMenu('schedule', 'fa-calendar-alt',  '/calendar', true))
    }

    if (this.$ability().can('display', 'attendance_page')) {
      children.push(this.constructMenu('attendances', 'fa-calendar-check',  '/attendances/list/', true))
    }

    if(children.length === 1){
      return children[0];
    }
    return children.length > 0 ? this.constructMenu('schedule', 'fa-calendar-alt',  undefined, undefined, children) : null;
  }
}

export const getAgendaMenu = ($config:any, $ability:any) => new AgendaMenu($config, $ability).getMenu()