import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'mat-transfer',
  templateUrl: './mat-transfer.component.html',
  styleUrls: ['./mat-transfer.component.less']
})
export class MatTransferComponent implements OnInit {

  tree =
  {
    value: 'grandfather',
    id: 1,
    children: [
      {
        id: 2,
        value: 'child1'
      },
      {
        id: 3,
        value: 'child2',
        children: [
          {
            id: 4,
            value: 'grandchild'
          }
        ]
      }
    ]
  };

  onNodeExpanded() {
    console.log(this.tree);
  }

  onNodeCollapsed() {
    console.log(this.tree);
  }

  ngOnInit(): void {
    throw new Error('Method not implemented.');
  }
}