Add thread.nodes.root property.

src/Filtering/ThreadHiding.coffee

@@ -175,7 +175,7 @@ ThreadHiding =
 
   hide: (thread, makeStub=Conf['Stubs']) ->
     return if thread.isHidden
-    threadRoot = thread.OP.nodes.root.parentNode
+    threadRoot = thread.nodes.root
     thread.isHidden = true
     Index.updateHideLabel() if Conf['JSON Index']
 
@@ -187,6 +187,6 @@ ThreadHiding =
     if thread.stub
       $.rm thread.stub
       delete thread.stub
-    threadRoot = thread.OP.nodes.root.parentNode
+    threadRoot = thread.nodes.root
     threadRoot.hidden = thread.isHidden = false
     Index.updateHideLabel() if Conf['JSON Index']

src/General/Build.coffee

@@ -163,10 +163,10 @@ Build =
       href: "/#{boardID}/thread/#{threadID}"
 
   thread: (thread, data) ->
-    if (root = thread.OP.nodes.root.parentNode)
+    if (root = thread.nodes.root)
       $.rmAll root
     else
-      root = $.el 'div',
+      thread.nodes.root = root = $.el 'div',
         className: 'thread'
         id: "t#{data.no}"
     $.add root, Build.hat.cloneNode(false) if Build.hat

src/Miscellaneous/ExpandThread.coffee

@@ -10,7 +10,7 @@ ExpandThread =
         cb: -> ExpandThread.setButton @
 
   setButton: (thread) ->
-    return unless a = $.x 'following-sibling::*[contains(@class,"summary")][1]', thread.OP.nodes.root
+    return unless thread.nodes.root and (a = $ '.summary', thread.nodes.root)
     a.textContent = Build.summaryText '+', a.textContent.match(/\d+/g)...
     a.style.cursor = 'pointer'
     $.on a, 'click', ExpandThread.cbToggle
@@ -34,7 +34,7 @@ ExpandThread =
     ExpandThread.toggle Get.threadFromNode @
 
   toggle: (thread) ->
-    threadRoot = thread.OP.nodes.root.parentNode
+    threadRoot = thread.nodes.root
     return unless a = $ '.summary', threadRoot
     if thread.ID of ExpandThread.statuses
       ExpandThread.contract thread, a, threadRoot

src/Monitoring/ThreadUpdater.coffee

@@ -67,7 +67,7 @@ ThreadUpdater =
   
   node: ->
     ThreadUpdater.thread       = @
-    ThreadUpdater.root         = @OP.nodes.root.parentNode
+    ThreadUpdater.root         = @nodes.root
     ThreadUpdater.outdateCount = 0
 
     # We must keep track of our own list of live posts/files

src/Quotelinks/QuoteThreading.coffee

@@ -139,7 +139,7 @@ QuoteThreading =
           $.rmClass post.nodes.root, 'threadOP'
           $.rm post.nodes.threadContainer
           delete post.nodes.threadContainer
-      $.add thread.OP.nodes.root.parentNode, nodes
+      $.add thread.nodes.root, nodes
 
     Unread.position = Unread.order.first
     Unread.updatePosition()

src/classes/Thread.coffee

@@ -17,6 +17,9 @@ class Thread
     @OP = null
     @catalogView = null
 
+    @nodes =
+      root: null
+
     @board.threads.push @ID, @
     g.threads.push  @fullID, @
 

src/main/Main.coffee

@@ -274,6 +274,7 @@ Main =
 
       for threadRoot in $$ '.board > .thread', board
         thread = new Thread +threadRoot.id[1..], g.BOARD
+        thread.nodes.root = threadRoot
         threads.push thread
         for postRoot in $$('.thread > .postContainer', threadRoot) when $('.postMessage', postRoot)
           try