fix(hgrid): Resolves error when parent grid has <= 2 records #9917

3phase · 3phase · commit ee4464bc6bef · 2021-08-23T13:13:11.000+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
@@ -346,7 +346,7 @@ export class IgxHierarchicalGridComponent extends IgxHierarchicalGridBaseDirecti
     public get parentRowOutletDirective() {
         // Targeting parent outlet in order to prevent hiding when outlet
         // is present at a child grid and is attached to a row.
-        return this.parent.rowOutletDirective;
+        return this.parent ? this.parent.rowOutletDirective : this.rowOutletDirective;
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -346,7 +346,7 @@ export class IgxHierarchicalGridComponent extends IgxHierarchicalGridBaseDirecti`
`346`	`346`	`public get parentRowOutletDirective() {`
`347`	`347`	`// Targeting parent outlet in order to prevent hiding when outlet`
`348`	`348`	`// is present at a child grid and is attached to a row.`
`349`		`- return this.parent.rowOutletDirective;`
	`349`	`+ return this.parent ? this.parent.rowOutletDirective : this.rowOutletDirective;`
`350`	`350`	`}`
`351`	`351`
`352`	`352`	`/**`