Remove unnecessary concat []

vega · Sep 29, 2017 · 1c5b259 · 1c5b259
1 parent 81e99ef
commit 1c5b259
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/components/data-pane/wildcard-field-drop-zone.tsx b/src/components/data-pane/wildcard-field-drop-zone.tsx
@@ -66,7 +66,7 @@ const customWildcardFieldTarget: DropTargetSpec<CustomWildcardFieldDropZoneProps
         fields = schema.fieldNames()
                         .filter(field => schema.vlType(field) === type);
       } else {
-        fields = fieldDef.field.enum.concat([]);
+        fields = fieldDef.field.enum;
       }
     } else {
       fields = [fieldDef.field];