Add a minor note on usuage of callback refs

erlage · Aug 5, 2022 · c2a1f75 · c2a1f75
1 parent b498b8e
commit c2a1f75
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/packages/rad/lib/src/widgets/abstract/html_widget_base.dart b/packages/rad/lib/src/widgets/abstract/html_widget_base.dart
@@ -23,6 +23,9 @@ abstract class HTMLWidgetBase extends Widget {
   /// Rad will call the ref callback with the DOM element before widget renders,
   /// and call it with null before it unmounts.
   ///
+  /// Please note, similar to other event listeners, callback has to be present
+  /// on the initial render.
+  ///
   final NullableElementCallback? ref;
 
   /// ID of dom node.