fix(tree grid): assert node children is defined before spreading (#1898)

akveo · Aug 29, 2019 · 26ad5d2 · 26ad5d2
1 parent 02080fb
commit 26ad5d2
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/framework/theme/components/tree-grid/data-source/tree-grid.service.ts b/src/framework/theme/components/tree-grid/data-source/tree-grid.service.ts
@@ -50,7 +50,9 @@ export class NbTreeGridService<T> {
  return node;
  }
 
- toCheck.push(...node.children);
+ if (node.hasChildren()) {
+ toCheck.push(...node.children);
+ }
  }
  }
 }