Fix WLV bug when data shrinks

Differential Revision: D3341453 fbshipit-source-id: 008cb65db6da74f2525ae8e667b702bc48f9f9ad
2016-05-24 13:19:43 -07:00 · 2016-05-24 13:19:43 -07:00 · 0a027167de
parent 1926fdf156
commit 0a027167de
1 changed files with 1 additions and 1 deletions
--- 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++) {