import { Component, OnInit } from '@angular/core'; import { ActivatedRoute, NavigationExtras, Router } from '@angular/router'; import { Table } from '../../core/table'; @Component({ selector: 'app-running-tables', templateUrl: './running-tables.component.html', styleUrls: ['./running-tables.component.css'] }) export class RunningTablesComponent implements OnInit { list: Table[]; constructor(private router: Router, private route: ActivatedRoute) { } ngOnInit() { this.route.data .subscribe((data: { list: Table[] }) => { this.list = data.list; }); } navigateToBill(table: Table): void { let qp = {table: table.id}; if (table.voucherId) { qp["voucher"] = table.voucherId; } let navigationExtras: NavigationExtras = { queryParams: qp, queryParamsHandling: 'merge', preserveFragment: true }; this.router.navigate(['/sales', 'bill'], navigationExtras); } }