From e871d36942b837103cf7e668684344ef3ce1ffb4 Mon Sep 17 00:00:00 2001
From: Brent Vatne <brentvatne@gmail.com>
Date: Mon, 12 Mar 2018 09:56:39 -0700
Subject: [PATCH] Use arrow function for isFocused

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

diff --git a/packages/react-navigation/src/navigators/createNavigator.js b/packages/react-navigation/src/navigators/createNavigator.js
index 0255ca32..1343ee6c 100644
--- a/packages/react-navigation/src/navigators/createNavigator.js
+++ b/packages/react-navigation/src/navigators/createNavigator.js
@@ -53,7 +53,7 @@ function createNavigator(NavigatorView, router, navigationConfig) {
           dispatch,
           state: route,
           addListener: this.childEventSubscribers[route.key].addListener,
-          isFocused: this._isRouteFocused.bind(this, route),
+          isFocused: () => this._isRouteFocused(route),
         });
         const options = router.getScreenOptions(childNavigation, screenProps);
         descriptors[route.key] = {