From 0915c0572ac8120715865bf0b647440c8a2f4fda Mon Sep 17 00:00:00 2001
From: Maxime Florent Fankam <maxusr@gmail.com>
Date: Fri, 9 Feb 2018 23:04:17 +0100
Subject: [PATCH] Allow swipeEnabled be a function (#3378)

* Allow swipeEnabled be a function with state param
---
 packages/react-navigation/src/views/TabView/TabView.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/react-navigation/src/views/TabView/TabView.js b/packages/react-navigation/src/views/TabView/TabView.js
index 1ee5d42d..f5dd5a84 100644
--- a/packages/react-navigation/src/views/TabView/TabView.js
+++ b/packages/react-navigation/src/views/TabView/TabView.js
@@ -140,11 +140,15 @@ class TabView extends React.PureComponent {
     const tabBarVisible =
       options.tabBarVisible == null ? true : options.tabBarVisible;
 
-    const swipeEnabled =
+    let swipeEnabled =
       options.swipeEnabled == null
         ? this.props.swipeEnabled
         : options.swipeEnabled;
 
+    if (typeof swipeEnabled === 'function') {
+      swipeEnabled = swipeEnabled(state);
+    }
+
     if (tabBarComponent !== undefined && tabBarVisible) {
       if (tabBarPosition === 'bottom') {
         renderFooter = this._renderTabBar;