Strict done!!

overlord/src/app/stock-movement/stock-movement.component.ts

@@ -16,10 +16,10 @@ import { StockMovementDataSource } from './stock-movement-datasource';
 export class StockMovementComponent implements OnInit {
   @ViewChild(MatPaginator, { static: true }) paginator?: MatPaginator;
   @ViewChild(MatSort, { static: true }) sort?: MatSort;
-  dataSource: StockMovementDataSource;
+  info: StockMovement = new StockMovement();
+  dataSource: StockMovementDataSource = new StockMovementDataSource(this.info.body);
   form: FormGroup;
-  info: StockMovement;
-  selectedRowId: string;
+  selectedRowId = '';
   /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
   displayedColumns = ['group', 'name', 'opening', 'purchase', 'issue', 'closing'];
 
@@ -39,7 +39,7 @@ export class StockMovementComponent implements OnInit {
         startDate: moment(this.info.startDate, 'DD-MMM-YYYY').toDate(),
         finishDate: moment(this.info.finishDate, 'DD-MMM-YYYY').toDate(),
       });
-      this.dataSource = new StockMovementDataSource(this.paginator, this.sort, this.info.body);
+      this.dataSource = new StockMovementDataSource(this.info.body, this.paginator, this.sort);
     });
   }