From cfb69719c1c68d004668472eea71150c647e6f9e Mon Sep 17 00:00:00 2001
From: "Son, Joon" <Joon.Son@nfl.com>
Date: Tue, 29 Oct 2019 11:42:00 -0700
Subject: [PATCH 1/2] Add onLayout prop

---
 src/SortableList.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/SortableList.js b/src/SortableList.js
index 3d3ff9f..fcf01e7 100644
--- a/src/SortableList.js
+++ b/src/SortableList.js
@@ -36,6 +36,7 @@ export default class SortableList extends Component {
 
     onChangeOrder: PropTypes.func,
     onActivateRow: PropTypes.func,
+    onLayout: PropTypes.func,
     onReleaseRow: PropTypes.func,
   };
 
@@ -338,7 +339,9 @@ export default class SortableList extends Component {
             contentHeight,
             contentWidth,
           }, () => {
-            this.setState({animated: true});
+            this.setState({animated: true}, () => {
+              this.props.onLayout();
+            });
           });
         });
       });

From 2f7faee04ae16fded718cc10743e2bb4d386d760 Mon Sep 17 00:00:00 2001
From: "Son, Joon" <Joon.Son@nfl.com>
Date: Tue, 29 Oct 2019 14:31:52 -0700
Subject: [PATCH 2/2] check for prop existance

---
 src/SortableList.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/SortableList.js b/src/SortableList.js
index fcf01e7..4dd876b 100644
--- a/src/SortableList.js
+++ b/src/SortableList.js
@@ -340,7 +340,9 @@ export default class SortableList extends Component {
             contentWidth,
           }, () => {
             this.setState({animated: true}, () => {
-              this.props.onLayout();
+              if (this.props.onLayout) {
+                this.props.onLayout();
+              }
             });
           });
         });