From 7d2f740c0fcd2ff3669b4296144c8d15d78baf4d Mon Sep 17 00:00:00 2001
From: Brent Vatne <brentvatne@gmail.com>
Date: Wed, 6 Jun 2018 21:12:18 -0700
Subject: [PATCH] Add some logs to NavigationPlayground around helper dispatch
 return value This is a poor substitute for tests

---
 .../examples/NavigationPlayground/js/SimpleStack.js   | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/react-navigation/examples/NavigationPlayground/js/SimpleStack.js b/packages/react-navigation/examples/NavigationPlayground/js/SimpleStack.js
index d77822c2..27155edd 100644
--- a/packages/react-navigation/examples/NavigationPlayground/js/SimpleStack.js
+++ b/packages/react-navigation/examples/NavigationPlayground/js/SimpleStack.js
@@ -90,7 +90,16 @@ class MyNavScreen extends React.Component<MyNavScreenProps> {
         />
         <Button onPress={() => popToTop()} title="Pop to top" />
         <Button onPress={() => pop()} title="Pop" />
-        <Button onPress={() => navigation.goBack()} title="Go back" />
+        <Button
+          onPress={() => {
+            if (navigation.goBack()) {
+              console.log('goBack handled');
+            } else {
+              console.log('goBack unhandled');
+            }
+          }}
+          title="Go back"
+        />
         <Button onPress={() => dismiss()} title="Dismiss" />
         <StatusBar barStyle="default" />
       </SafeAreaView>