From 0a027167de6ae8fb895f2efd734ffde1ad0ef5db Mon Sep 17 00:00:00 2001
From: Spencer Ahrens <sahrens@fb.com>
Date: Tue, 24 May 2016 13:19:43 -0700
Subject: [PATCH] Fix WLV bug when data shrinks

Differential Revision: D3341453

fbshipit-source-id: 008cb65db6da74f2525ae8e667b702bc48f9f9ad
---
 Libraries/Experimental/WindowedListView.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Libraries/Experimental/WindowedListView.js b/Libraries/Experimental/WindowedListView.js
index e0e261de8d6..1721e5fb3b7 100644
--- a/Libraries/Experimental/WindowedListView.js
+++ b/Libraries/Experimental/WindowedListView.js
@@ -339,7 +339,7 @@ class WindowedListView extends React.Component {
     const rowFrames = this._rowFrames;
     let firstVisible = -1;
     let lastVisible = 0;
-    let lastRow = this.state.lastRow;
+    let lastRow = clamp(0, this.state.lastRow, totalRows - 1);
     const top = this._scrollOffsetY;
     const bottom = top + this._frameHeight;
     for (let idx = 0; idx < lastRow; idx++) {