dnet-applications/frontends/dnet-is-application/src/app/main-menu-tree/main-menu-tree.component.html

<mat-tree [dataSource]="dataSource" [treeControl]="treeControl">
  <mat-tree-node *matTreeNodeDef="let node" matTreeNodeToggle matTreeNodePadding>
    <button mat-icon-button disabled></button>
    <mat-icon class="type-icon" [attr.aria-label]="node.type + 'icon'">
      {{ node.type === 'menuitem' ? 'description' : 'folder' }}
    </mat-icon>
    <div *ngIf="!node.badge">
      <a [routerLink]="[node.route]" *ngIf="node.route">{{node.name}}</a>
      <span *ngIf="!node.route">{{node.name}}</span>
    </div>
    <div matBadge="{{node.badge}}" matBadgeOverlap="false" *ngIf="node.badge">
      <a [routerLink]="[node.route]" *ngIf="node.route">{{node.name}}</a>
      <span *ngIf="!node.route">{{node.name}}</span>
    </div>
  </mat-tree-node>

  <mat-tree-node *matTreeNodeDef="let node; when: hasChild" matTreeNodePadding>
    <button mat-icon-button matTreeNodeToggle
            [attr.aria-label]="'Toggle ' + node.name">
      <mat-icon class="mat-icon-rtl-mirror">
        {{treeControl.isExpanded(node) ? 'expand_more' : 'chevron_right'}}
      </mat-icon>
    </button>
    <mat-icon class="type-icon" [attr.aria-label]="node.type + 'icon'">
      {{ node.type ==='menuitem' ? 'description' : 'folder' }}
    </mat-icon>
    <div *ngIf="!node.badge">
      <a [routerLink]="[node.route]" *ngIf="node.route">{{node.name}}</a>
      <span *ngIf="!node.route">{{node.name}}</span>
    </div>
    <div matBadge="{{node.badge}}" matBadgeOverlap="false" *ngIf="node.badge">
      <a [routerLink]="[node.route]" *ngIf="node.route">{{node.name}}</a>
      <span *ngIf="!node.route">{{node.name}}</span>
    </div>
  </mat-tree-node>
</mat-tree>