fix: Adjust sample

dowjones · Jun 27, 2019 · c3c9c5e · c3c9c5e
1 parent cdde599
commit c3c9c5e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -395,7 +395,7 @@ Optional search predicate to override the default case insensitive contains matc
 
 ```jsx
 function searchPredicate(node, searchTerm) {
-  return (node.label + ' ' + node.customData).toLower().indexOf(searchTerm) >= 0
+  return node.customData && node.customData.toLower().indexOf(searchTerm) >= 0
 }
 
 return <DropdownTreeSelect data={data} searchPredicate={searchPredicate} />