Updated to angular 11

Now compiling with strict mode in typescript
Need to error checking now

bookie/src/app/sales/running-tables/running-tables.component.ts

@@ -9,12 +9,13 @@ import { Table } from '../../core/table';
   styleUrls: ['./running-tables.component.css'],
 })
 export class RunningTablesComponent implements OnInit {
-  list: Table[];
+  list: Table[] = [];
 
   constructor(private router: Router, private route: ActivatedRoute) {}
 
   ngOnInit() {
-    this.route.data.subscribe((data: { list: Table[] }) => {
+    this.route.data.subscribe((value) => {
+      const data = value as { list: Table[] };
       this.list = data.list;
     });
   }
@@ -23,7 +24,7 @@ export class RunningTablesComponent implements OnInit {
     const qp = { table: table.id };
     if (table.voucherId) {
       // eslint-disable-next-line @typescript-eslint/dot-notation
-      qp['voucher'] = table.voucherId;
+      Object.assign(qp, { voucher: table.voucherId });
     }
     const navigationExtras: NavigationExtras = {
       queryParams: qp,