node.component.ts

ngAfterViewInit() {
    this.nodeService.jsPlumbInstance.bind('connection', info => {
      this.simpleModalService.addModal(DialogComponent, {
        title: 'Dialog',
        questions: { name: '', type: ''}})
        .subscribe((result) => {
          const targetNode = this.nodes.find(node => node.id === info.targetId);
          if (targetNode) {
            targetNode.name = result.name;
            targetNode.type = result.type;
            if (targetNode.type === 'end') {
            this.nodeService.jsPlumbInstance.deleteEndpoint(info.targetId + 'right');
        }
      }
        });
   });
  }