19482: Fix context menu, breadcrumbs

[arvados-workbench2.git] / src / views-components / advanced-tab-dialog / advanced-tab-dialog.tsx

diff --git a/src/views-components/advanced-tab-dialog/advanced-tab-dialog.tsx b/src/views-components/advanced-tab-dialog/advanced-tab-dialog.tsx
index bc84ed2cf3aeef617ff3cafcbacab432536a027a..3505faed4366b1518d6986176bad278d7a005fef 100644 (file)
--- a/src/views-components/advanced-tab-dialog/advanced-tab-dialog.tsx
+++ b/src/views-components/advanced-tab-dialog/advanced-tab-dialog.tsx
@@ -120,6 +120,6 @@ const dialogContentExample = (example: JSX.Element | string, classes: any) => {
         className={classes.codeSnippet}
         lines={stringData ? [stringData] : []}
     >
-        {example as JSX.Element || null}
+        {React.isValidElement(example) ? (example as JSX.Element) : undefined}
     </DefaultCodeSnippet>;
 }