From 84e0dd930d91e2da89cd0eabbe8b3d53e7c865a9 Mon Sep 17 00:00:00 2001
From: Brent Vatne <brentvatne@gmail.com>
Date: Mon, 16 Jul 2018 14:55:34 -0700
Subject: [PATCH] Pull onTransitionStart from navigationConfig, fixes #4100

---
 packages/react-navigation/src/views/StackView/StackView.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/react-navigation/src/views/StackView/StackView.js b/packages/react-navigation/src/views/StackView/StackView.js
index 6f3cb87c..fc1fd7b3 100644
--- a/packages/react-navigation/src/views/StackView/StackView.js
+++ b/packages/react-navigation/src/views/StackView/StackView.js
@@ -24,7 +24,7 @@ class StackView extends React.Component {
         screenProps={this.props.screenProps}
         navigation={this.props.navigation}
         descriptors={this.props.descriptors}
-        onTransitionStart={this.props.onTransitionStart}
+        onTransitionStart={this.props.navigationConfig.onTransitionStart}
         onTransitionEnd={(transition, lastTransition) => {
           const { navigationConfig, navigation } = this.props;
           const { onTransitionEnd } = navigationConfig;