Charts: Tree: Fixed test throws exception when this.dataframe is nu…

…ll in `_render()` in `then`
datagrok-ai · Oct 28, 2024 · f93007e · f93007e
1 parent 719efcb
commit f93007e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/packages/Charts/src/viewers/tree/tree-viewer.ts b/packages/Charts/src/viewers/tree/tree-viewer.ts
@@ -212,6 +212,9 @@ export class TreeViewer extends EChartViewer {
   }
 
   async _render() {
+    if (!this.dataFrame)
+      return;
+
     if (this.hierarchyColumnNames?.some((colName) => !this.dataFrame.columns.names().includes(colName)))
       this.hierarchyColumnNames = this.hierarchyColumnNames.filter((value) => this.dataFrame.columns.names().includes(value));
     if (this.hierarchyColumnNames == null || this.hierarchyColumnNames.length === 0)