From e3326aaa56190e81e3812694dabbb2cc73e4ee14 Mon Sep 17 00:00:00 2001
From: James Bechet <jamesbechet@gmail.com>
Date: Mon, 4 Jun 2018 16:55:26 -0400
Subject: [PATCH] fix swipe to go back by providing the index (#4409)

---
 .../react-navigation/src/views/StackView/StackViewLayout.js     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/react-navigation/src/views/StackView/StackViewLayout.js b/packages/react-navigation/src/views/StackView/StackViewLayout.js
index 2d1f58a3..60c8c85f 100644
--- a/packages/react-navigation/src/views/StackView/StackViewLayout.js
+++ b/packages/react-navigation/src/views/StackView/StackViewLayout.js
@@ -211,6 +211,8 @@ class StackViewLayout extends React.Component {
 
   _panResponder = PanResponder.create({
     onPanResponderTerminate: () => {
+      const { navigation } = this.props.transitionProps;
+      const { index } = navigation.state;
       this._isResponding = false;
       this._reset(index, 0);
       this.props.onGestureCanceled && this.props.onGestureCanceled();