From 09e631ded707db1038f69c6d9cfa202a6d554889 Mon Sep 17 00:00:00 2001
From: Shawn Erquhart <shawn@erquh.art>
Date: Fri, 23 Jun 2017 13:23:03 -0400
Subject: [PATCH] allow nested widget previews to update

---
 src/components/Widgets/PreviewHOC.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/components/Widgets/PreviewHOC.js b/src/components/Widgets/PreviewHOC.js
index dc25977a..1ecaa529 100644
--- a/src/components/Widgets/PreviewHOC.js
+++ b/src/components/Widgets/PreviewHOC.js
@@ -2,7 +2,11 @@ import React from 'react';
 
 class PreviewHOC extends React.Component {
   shouldComponentUpdate(nextProps) {
-    return nextProps.value !== this.props.value;
+    // Only re-render on value change, but always re-render objects and lists.
+    // Their child widgets will each also be wrapped with this component, and
+    // will only be updated on value change.
+    const isWidgetContainer = ['object', 'list'].includes(nextProps.field.get('widget'));
+    return isWidgetContainer || this.props.value !== nextProps.value;
   }
 
   render() {