Fix TransitionGroup error on quick toggle of components

reactjs · Feb 9, 2017 · ad9e2a9 · ad9e2a9
1 parent 2e03f4b
commit ad9e2a9
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/src/TransitionGroup.js b/src/TransitionGroup.js
@@ -101,6 +101,9 @@ class TransitionGroup extends React.Component {
 
   _handleDoneAppearing = (key) => {
     let component = this.childRefs[key];
+    if (!component) {
+      return;
+    }
     if (component.componentDidAppear) {
       component.componentDidAppear();
     }
@@ -131,6 +134,9 @@ class TransitionGroup extends React.Component {
 
   _handleDoneEntering = (key) => {
     let component = this.childRefs[key];
+    if (!component) {
+      return;
+    }
     if (component.componentDidEnter) {
       component.componentDidEnter();
     }
@@ -161,7 +167,10 @@ class TransitionGroup extends React.Component {
 
   _handleDoneLeaving = (key) => {
     let component = this.childRefs[key];
-
+
+    if (!component) {
+      return;
+    }
     if (component.componentDidLeave) {
       component.componentDidLeave();
     }