chatroom_jshint.patch

diff --git a/chatroom.js b/chatroom.js
index df3d7c4..cdaccc6 100644
--- a/chatroom.js
+++ b/chatroom.js
@@ -16,7 +16,7 @@ Drupal.chatroom.initialiseChat = function(chat) {
     var chat = Drupal.settings.chatroom.chats[this.id.replace(/^edit-chatroom-message-entry-box-/, '')];
     var messageText = $('#edit-chatroom-message-entry-box-' + chat.cid).val().replace(/^\s+|\s+$/g, '');
     var anonNameText = '';
-    if (messageText && e.keyCode == 13 && !e.shiftKey && !e.ctrlKey) {
+    if (messageText && e.keyCode === 13 && !e.shiftKey && !e.ctrlKey) {
       Drupal.chatroom.postMessage(messageText, anonNameText, chat);
       $('#edit-chatroom-message-entry-box-' + chat.cid).val('').focus();
     }
@@ -44,7 +44,7 @@ Drupal.chatroom.initialiseChat = function(chat) {
       Drupal.chatroom.getPreviousMessages(chat.cid, chat.prevMsgId);
     }
   });
-}
+};
 
 /**
  * Provide js API functions for modules that want to create chatrooms
@@ -70,7 +70,7 @@ Drupal.chatroom.createChat = function(options, callback) {
       formId: Drupal.settings.chatroom.createChatFormId
     }
   });
-}
+};
 
 /**
  * We depend on the Nodejs module successfully create a socket for us.
@@ -78,7 +78,9 @@ Drupal.chatroom.createChat = function(options, callback) {
 Drupal.Nodejs.connectionSetupHandlers.chatroom = {
   connect: function () {
     for (var cid in Drupal.settings.chatroom.chats) {
-      Drupal.chatroom.initialiseChat(Drupal.settings.chatroom.chats[cid]);
+      if(Drupal.settings.chatroom.chats.hasOwnProperty(cid)) {
+        Drupal.chatroom.initialiseChat(Drupal.settings.chatroom.chats[cid]);
+      }
     }
     Drupal.chatroom.initialised = true;
   }
@@ -105,7 +107,7 @@ Drupal.chatroom.postMessage = function(message, anonName, chat) {
       formId: formId
     }
   });
-}
+};
 
 Drupal.chatroom.getPreviousMessages = function(cid, cmid, limit) {
   if (limit === undefined) limit = 20;
@@ -123,7 +125,9 @@ Drupal.chatroom.getPreviousMessages = function(cid, cmid, limit) {
        */
       var currentTop = $('#chatroom-board-' + cid).children().first();
       for (var message in data) {
-        Drupal.chatroom.addPreviousMessageToBoard(data[message]);
+        if(data.hasOwnProperty(message)) {
+          Drupal.chatroom.addPreviousMessageToBoard(data[message]);
+        }
       }
       var previousHeight = 0;
       currentTop.prevAll().each(function() {
@@ -132,28 +136,28 @@ Drupal.chatroom.getPreviousMessages = function(cid, cmid, limit) {
       $('#chatroom-board-' + cid).animate({scrollTop: '+='+ previousHeight +'px'}, 10);
     }
   });
-}
+};
 
 Drupal.chatroom.updateUserList = function(message) {
-  if ($('#chatroom-user-' + message.cid + '-' + message.uid).length == 0) {
+  if ($('#chatroom-user-' + message.cid + '-' + message.uid).length === 0) {
     var userHtml = '<li style="display: none;" id="chatroom-user-'
                    + message.cid + '-' + message.uid + '"><a href="/user/'
                    + message.uid + '">' + message.name + '</a></li>';
     $(userHtml).hide().appendTo($('#chatroom-irc-user-list-' + message.cid)).show('normal');
   }
-}
+};
 
 Drupal.chatroom.addMessageToBoard = function(message) {
   $('#chatroom-board-' + message.cid).append(message.msg);
   Drupal.chatroom.scrollToLatestMessage(message.cid);
-}
+};
 
 Drupal.chatroom.addPreviousMessageToBoard = function(message) {
   var chat = Drupal.settings.chatroom.chats[message.cid];
   chat.prevMsgId = message.cmid;
   Drupal.settings.chatroom.chats[message.cid] = chat;
   $('#chatroom-board-' + message.cid).prepend(message.msg);
-}
+};
 
 Drupal.chatroom.scrollToLatestMessage = function(cid) {
   var boardOffset = $('#chatroom-board-' + cid).offset().top;
@@ -161,7 +165,7 @@ Drupal.chatroom.scrollToLatestMessage = function(cid) {
   var scrollAmount = targetOffset - boardOffset;
   $('#chatroom-board-' + cid).animate({scrollTop: '+='+ scrollAmount +'px'}, 250);
   $('#chatroom-board-' + cid + ' .new-message').removeClass('new-message');
-}
+};
 
 Drupal.Nodejs.callbacks.chatroomMessageHandler = {
   callback: function (message) {
@@ -177,9 +181,9 @@ Drupal.Nodejs.callbacks.chatroomUserOnlineHandler = {
 
 Drupal.Nodejs.contentChannelNotificationCallbacks.chatroom = {
   callback: function (message) {
-    if (message.data.type == 'disconnect') {
+    if (message.data.type === 'disconnect') {
       var cid = message.channel.replace(/^chatroom_/, '');
-      if ($('#chatroom-user-' + cid + '-' + message.data.uid).length == 1) {
+      if ($('#chatroom-user-' + cid + '-' + message.data.uid).length === 1) {
         $('#chatroom-user-' + cid + '-' + message.data.uid).hide('normal', function () {
           $('#chatroom-user-' + cid + '-' + message.data.uid).remove();
         });