Merge pull request #16805 from jeremistadler/master

[React-Navigation] Add TabBarTop & TabBarBottom types

types/react-navigation/index.d.ts

@@ -621,3 +621,6 @@ export interface NavgationComponentProps<T> {
     },
   }
 }
+
+export const TabBarTop: React.ReactElement<any>;
+export const TabBarBottom: React.ReactElement<any>;

types/react-navigation/react-navigation-tests.tsx

@@ -3,7 +3,10 @@ import { View } from 'react-native';
 import {
     addNavigationHelpers,
     StackNavigator,
-    TabNavigatorScreenOptions
+    TabNavigatorScreenOptions,
+    TabNavigatorConfig,
+    TabBarTop,
+    TabBarBottom,
 } from 'react-navigation';
 
 const Start = (
@@ -34,5 +37,10 @@ const tabNavigatorScreenOptions: TabNavigatorScreenOptions = {
     title: 'title',
     tabBarVisible: true,
     tabBarIcon: <View />,
-    tabBarLabel: 'label'
+    tabBarLabel: 'label',
+}
+
+const tabNavigatorConfig: TabNavigatorConfig = {
+    lazy: true,
+    tabBarComponent: TabBarTop,
 }