From ad36f5b8103f9a6ae94e4ced51e649cda601bdaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrian=20Preu=C3=9F?= <bizzi@manuadminmod.de>
Date: Mon, 1 Sep 2014 13:13:40 +0200
Subject: [PATCH] Empty/Undefined error-Events #51

Please see https://github.com/LearnBoost/websocket.io/issues/51
---
 lib/socket.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/socket.js b/lib/socket.js
index 98777cd..3bc31f8 100644
--- a/lib/socket.js
+++ b/lib/socket.js
@@ -26,7 +26,11 @@ function Socket (req) {
   var self = this;
   this.socket
     .on('error', function (e) {
-      self.emit('error', e);
+	  /* Only emit error-Events if available, otherwise crash when the event is undefined/empty - See Issue #51 */
+	  if (self.listeners('error').length) {
+	    self.emit('error', e);
+	  }
+	  
       self.destroy();
     })
     .on('end', function () {