21128: fixed resize crash Arvados-DCO-1.1-Signed-off-by: Lisa Knox <lisa.knox@curii...

diff --git a/src/views/workbench/workbench.tsx b/src/views/workbench/workbench.tsx
index be2542515bb6e478103e4fb38802ed32d2dec7c6..a02d346f2857f09c6a31cae7d815a6de19be7c66 100644 (file)
--- a/src/views/workbench/workbench.tsx
+++ b/src/views/workbench/workbench.tsx
@@ -300,7 +300,7 @@ const applyCollapsedState = isCollapsed => {
 
 export const WorkbenchPanel = withStyles(styles)((props: WorkbenchPanelProps) => {
     //panel size will not scale automatically on window resize, so we do it manually
-    window.addEventListener("resize", () => applyCollapsedState(props.sidePanelIsCollapsed));
+    if (props && props.sidePanelIsCollapsed) window.addEventListener("resize", () => applyCollapsedState(props.sidePanelIsCollapsed));
     applyCollapsedState(props.sidePanelIsCollapsed);
 
     return (