From cbe7757bb4bd9da0695f178b1c8e294fdf9ac4d8 Mon Sep 17 00:00:00 2001
From: Matt Hamil <matthamil@users.noreply.github.com>
Date: Wed, 20 Sep 2017 15:08:11 -0500
Subject: [PATCH] Reverting last commit (#2626)

---
 .../src/routers/StackRouter.js                | 24 -------------------
 1 file changed, 24 deletions(-)

diff --git a/packages/react-navigation/src/routers/StackRouter.js b/packages/react-navigation/src/routers/StackRouter.js
index 99d733e3..5ba959da 100644
--- a/packages/react-navigation/src/routers/StackRouter.js
+++ b/packages/react-navigation/src/routers/StackRouter.js
@@ -75,8 +75,6 @@ export default (
     paths[routeName] = { re, keys, toPath: pathToRegexp.compile(pathPattern) };
   });
 
-  let inProgressNavigationRouteName = null;
-
   return {
     getComponentForState(state: NavigationState): NavigationComponent {
       const activeChildRoute = state.routes[state.index];
@@ -143,26 +141,6 @@ export default (
         };
       }
 
-      if (passedAction.type === 'Navigation/BACK') {
-        inProgressNavigationRouteName = null;
-      }
-
-      if (
-        action.type === NavigationActions.NAVIGATE &&
-        passedAction.routeName !== 'DrawerOpen' &&
-        passedAction.routeName !== 'DrawerClose'
-      ) {
-        // Check if action wants to route to the route that is in-progress navigating
-        if (
-          inProgressNavigationRouteName !== null &&
-          inProgressNavigationRouteName === passedAction.routeName
-        ) {
-          inProgressNavigationRouteName = null;
-          return;
-        }
-        inProgressNavigationRouteName = passedAction.routeName;
-      }
-
       // Check if a child scene wants to handle the action as long as it is not a reset to the root stack
       if (action.type !== NavigationActions.RESET || action.key !== null) {
         const keyIndex = action.key
@@ -244,7 +222,6 @@ export default (
       }
 
       if (action.type === NavigationActions.SET_PARAMS) {
-        inProgressNavigationRouteName = null;
         const lastRoute = state.routes.find(
           /* $FlowFixMe */
           (route: *) => route.key === action.key
@@ -296,7 +273,6 @@ export default (
 
       if (action.type === NavigationActions.BACK) {
         let backRouteIndex = null;
-        inProgressNavigationRouteName = null;
         if (action.key) {
           const backRoute = state.routes.find(
             /* $FlowFixMe */