fix state children is null

react-component · Apr 11, 2018 · 543ef30 · 543ef30
1 parent 4d820c6
commit 543ef30
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/QueueAnim.jsx b/src/QueueAnim.jsx
@@ -95,7 +95,7 @@ class QueueAnim extends React.Component {
        * 如果 state.children 里还有元素，元素还在动画，当前子级加回在出场的子级;
        */
       const leaveChild = this.state.children.filter(item =>
-        this.keysToLeave.indexOf(item.key) >= 0
+        item && this.keysToLeave.indexOf(item.key) >= 0
       );
       currentChildren = mergeChildren(currentChildren, leaveChild);
     }