From 40ce3726f8cfc1e375989c51760558fcd3c8d53c Mon Sep 17 00:00:00 2001
From: "guohui.deng" <guohui.deng@brilliantaero.com>
Date: Thu, 30 May 2019 17:35:53 +0800
Subject: [PATCH] fix rowsLayouts[key] is undefined trigger height is undefined
 crash

---
 src/SortableList.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SortableList.js b/src/SortableList.js
index 3d3ff9f..df0b083 100644
--- a/src/SortableList.js
+++ b/src/SortableList.js
@@ -242,7 +242,7 @@ export default class SortableList extends Component {
       const style = {[ZINDEX]: 0};
       const location = {x: 0, y: 0};
 
-      if (rowsLayouts) {
+      if (rowsLayouts && rowsLayouts[key]) {
         if (horizontal) {
           location.x = nextX;
           nextX += rowsLayouts[key] ? rowsLayouts[key].width : 0;