From dde5cdffdb5f610c2b7263463d3991f511b6c2ff Mon Sep 17 00:00:00 2001
From: CHEN Jiajie <vitochen@Vitos-MBP.local>
Date: Sun, 19 Feb 2017 23:02:32 +0800
Subject: [PATCH] Re-wrote the state of PUSH_ROUTE to make it immutable

---
 src/reducers/card-stack.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/reducers/card-stack.js b/src/reducers/card-stack.js
index 2b7d531..9f6c505 100644
--- a/src/reducers/card-stack.js
+++ b/src/reducers/card-stack.js
@@ -30,7 +30,11 @@ export function cardStackReducer(initialState) {
     switch (action.type) {
       case PUSH_ROUTE:
       if (state.routes[state.index].key === (action.payload && action.payload.route.key)) return state;
-        return StateUtils.push(state, action.payload.route);
+        const navigationNewState = StateUtils.push(state, action.payload.route);
+        return {
+          ...navigationNewState,
+          direction: action.payload.route.direction,
+        };
       case POP_ROUTE:
         return StateUtils.pop(state);
       case RESET_ROUTE: