Add comment explaining use of dummy serializer

jupyter-widgets · Jan 8, 2020 · a2dbe49 · a2dbe49
1 parent bd6c883
commit a2dbe49
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/packages/controls/src/widget_upload.ts b/packages/controls/src/widget_upload.ts
@@ -27,6 +27,7 @@ export class FileUploadModel extends CoreDOMWidgetModel {
 
     static serializers = {
         ...CoreDOMWidgetModel.serializers,
+        // use a dummy serializer for value to circumvent the default serializer.
         value: { serialize: (x: any) => x },
     };
 }