From 3acc5f10fbd8bff4914ba261861b1e39674c01f4 Mon Sep 17 00:00:00 2001
From: Joris Guyonvarch
Date: Wed, 18 Feb 2015 20:40:24 +0100
Subject: Show a notFound page if the requested page does not exists

---
 router.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/router.js b/router.js
index c498c0c..84c8ab1 100644
--- a/router.js
+++ b/router.js
@@ -19,14 +19,21 @@
         }
       }
     };
-    xhr.send();
+    try {
+      xhr.send();
+    } catch(err) {
+      errorHandler && errorHandler(err);
+    }
   };
 
   function router() {
     var url = location.hash.slice(2) || 'presentation';
+    var contentElement = document.getElementById('content');
     fetchFile('Pages/' + url + '.md', function(contentMd) {
-      var contentElement = document.getElementById('content');
       contentElement.innerHTML = markdown.toHTML(contentMd);
+    }, function() {
+      var notFoundPage = '<h1>Page non trouvée</h1><a href="#">Retour à l\'accueil</a>';
+      contentElement.innerHTML = notFoundPage;
     });
   }
 
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