From ee1c017b0d2132d2ad6509ee23c6d05038c54dd2 Mon Sep 17 00:00:00 2001
From: Berkeley Martinez <Berkeley@robotie.com>
Date: Sat, 2 Apr 2016 00:56:40 -0700
Subject: [PATCH] Sync wiki article urls with main site

---
 server/views/wiki/show.jade | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/server/views/wiki/show.jade b/server/views/wiki/show.jade
index f57f17555e..f8cf997089 100644
--- a/server/views/wiki/show.jade
+++ b/server/views/wiki/show.jade
@@ -2,10 +2,19 @@ extends ../layout-wide
 block content
   iframe#wikiFrame(frameborder='no')
   script.
+    var wikiUrl = '//freecodecamp.github.io/wiki';
+    var wikiOrigin = /https?:\/\/freecodecamp.github.io/;
     var requestedPath = !{JSON.stringify(path) || ''};
     var lang = window.location.toString().match(/\/\w{2}\//);
     lang = (lang) ? lang[0] : '/en/';
     $('#wikiFrame').attr(
       'src',
-      '//freecodecamp.github.io/wiki' + (requestedPath ? requestedPath : lang)
+      wikiUrl + (requestedPath ? requestedPath : lang)
     );
+    window.addEventListener('message', function(e) {
+      if (!wikiOrigin.test(e.origin)) {
+        return null;
+      }
+      history.replaceState(history.state, null, e.data);
+      return null;
+    });