chore(hGrid): fix error thrown when child grid is collapsed

ddincheva · ddincheva · commit 8f99ecd70e72 · 2021-06-23T10:17:50.000+03:00
diff --git a/projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid.component.ts b/projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid.component.ts
@@ -203,7 +203,7 @@ export class IgxHierarchicalGridComponent extends IgxHierarchicalGridBaseDirecti
     /** @hidden @internal */
     public get paginator() {
         return this.paginatorCmpt || this.rootGrid.paginatorList.find((pg) =>
-            pg.nativeElement.offsetParent.id === this.id);
+            pg.nativeElement.offsetParent?.id === this.id);
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -203,7 +203,7 @@ export class IgxHierarchicalGridComponent extends IgxHierarchicalGridBaseDirecti`
`203`	`203`	`/** @hidden @internal */`
`204`	`204`	`public get paginator() {`
`205`	`205`	`return this.paginatorCmpt \|\| this.rootGrid.paginatorList.find((pg) =>`
`206`		`- pg.nativeElement.offsetParent.id === this.id);`
	`206`	`+ pg.nativeElement.offsetParent?.id === this.id);`
`207`	`207`	`}`
`208`	`208`
`209`	`209`	`/**`