remove IndexBuild event

src/Filtering/ThreadHiding.coffee

@@ -4,7 +4,6 @@ ThreadHiding =
 
     @db = new DataBoard 'hiddenThreads'
     @syncCatalog()
-    $.on d, 'IndexBuild', @onIndexBuild
     Thread.callbacks.push
       name: 'Thread Hiding'
       cb:   @node
@@ -15,12 +14,10 @@ ThreadHiding =
     return unless Conf['Thread Hiding Buttons']
     $.prepend @OP.nodes.root, ThreadHiding.makeButton @, 'hide'
 
-  onIndexBuild: ({detail: nodes}) ->
-    for root, i in nodes by 2
+  onIndexBuild: (nodes) ->
+    for root in nodes
       thread = Get.threadFromRoot root
-      continue unless thread.isHidden
-      if thread.stub and !root.contains thread.stub
-        # When we come back to a page, the stub is already there.
+      if thread.isHidden and thread.stub and !root.contains thread.stub
         ThreadHiding.makeStub thread, root
     return
 

src/General/Index.coffee

@@ -438,11 +438,9 @@ Index =
     nodes
 
   buildStructure: (nodes) ->
-    result = $.frag()
-    i = 0
-    $.add result, [node, $.el 'hr'] while node = nodes[i++]
-    $.event 'IndexBuild', result.children
-    $.add Index.root, result
+    for node in nodes
+      $.add Index.root, [node, $.el 'hr']
+    ThreadHiding.onIndexBuild nodes
 
   isSearching: false