From a0306483e8648d913a6abe05bd35129bff12c153 Mon Sep 17 00:00:00 2001
From: Michael Jackson <mjijackson@gmail.com>
Date: Sun, 17 Aug 2014 22:13:14 -0700
Subject: [PATCH] [changed] Relaxed MemoryStore invariant

---
 modules/locations/MemoryLocation.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/modules/locations/MemoryLocation.js b/modules/locations/MemoryLocation.js
index 1a3a43b906..57f39b099d 100644
--- a/modules/locations/MemoryLocation.js
+++ b/modules/locations/MemoryLocation.js
@@ -1,7 +1,7 @@
-var invariant = require('react/lib/invariant');
+var warning = require('react/lib/warning');
 
-var _lastPath;
-var _currentPath = '/';
+var _lastPath = null;
+var _currentPath = null;
 var _onChange;
 
 /**
@@ -25,7 +25,7 @@ var MemoryLocation = {
   },
 
   pop: function () {
-    invariant(
+    warning(
       _lastPath != null,
       'You cannot use MemoryLocation to go back more than once'
     );
@@ -36,7 +36,7 @@ var MemoryLocation = {
   },
 
   getCurrentPath: function () {
-    return _currentPath;
+    return _currentPath || '/';
   },
 
   toString: function () {