From bc57aa561f8a94546743231b899867a2254286db Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <mayhemydg@gmail.com>
Date: Tue, 13 Dec 2011 15:17:48 +0100
Subject: [PATCH] Thread expansion optimizations.

---
 4chan_x.user.js | 21 ++++++++-------------
 script.coffee   | 18 ++++++++----------
 2 files changed, 16 insertions(+), 23 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index cf8637270..c6070a4f5 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -760,21 +760,18 @@
       }
     },
     parse: function(req, pathname, thread, a) {
-      var body, br, href, link, next, quote, reply, table, tables, _i, _j, _k, _len, _len2, _len3, _ref, _ref2, _results;
+      var body, br, frag, href, link, next, quote, reply, _i, _j, _len, _len2, _ref, _ref2;
       if (req.status !== 200) {
         a.textContent = "" + req.status + " " + req.statusText;
         $.off(a, 'click', expandThread.cb.toggle);
         return;
       }
       a.textContent = a.textContent.replace('X Loading...', '-');
-      while ((next = a.nextSibling) && !next.clear) {
-        $.rm(next);
-      }
-      br = next;
       body = $.el('body', {
         innerHTML: req.responseText
       });
-      _ref = $$('td[id]', body);
+      frag = d.createDocumentFragment();
+      _ref = $$('.reply', body);
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
         reply = _ref[_i];
         _ref2 = $$('.quotelink', reply);
@@ -789,15 +786,13 @@
         link = $('.quotejs', reply);
         link.href = "res/" + thread.firstChild.id + "#" + reply.id;
         link.nextSibling.href = "res/" + thread.firstChild.id + "#q" + reply.id;
+        $.add(frag, reply.parentNode.parentNode.parentNode);
       }
-      tables = $$('form[name=delform] table', body);
-      tables.pop();
-      _results = [];
-      for (_k = 0, _len3 = tables.length; _k < _len3; _k++) {
-        table = tables[_k];
-        _results.push($.before(br, table));
+      while ((next = a.nextSibling) && !next.clear) {
+        $.rm(next);
       }
-      return _results;
+      br = next;
+      return $.before(br, frag);
     }
   };
 
diff --git a/script.coffee b/script.coffee
index 20f9f8a16..ae31643ae 100644
--- a/script.coffee
+++ b/script.coffee
@@ -545,15 +545,11 @@ expandThread =
 
     a.textContent = a.textContent.replace 'X Loading...', '-'
 
-    # eat everything, then replace with fresh full posts
-    while (next = a.nextSibling) and not next.clear #br[clear]
-      $.rm next
-    br = next
-
     body = $.el 'body',
       innerHTML: req.responseText
 
-    for reply in $$ 'td[id]', body
+    frag = d.createDocumentFragment()
+    for reply in $$ '.reply', body
       for quote in $$ '.quotelink', reply
         if (href = quote.getAttribute('href')) is quote.hash #add pathname to normal quotes
           quote.pathname = pathname
@@ -562,10 +558,12 @@ expandThread =
       link = $ '.quotejs', reply
       link.href = "res/#{thread.firstChild.id}##{reply.id}"
       link.nextSibling.href = "res/#{thread.firstChild.id}#q#{reply.id}"
-    tables = $$ 'form[name=delform] table', body
-    tables.pop()
-    for table in tables
-      $.before br, table
+      $.add frag, reply.parentNode.parentNode.parentNode
+    # eat everything, then replace with fresh full posts
+    while (next = a.nextSibling) and not next.clear #br[clear]
+      $.rm next
+    br = next
+    $.before br, frag
 
 replyHiding =
   init: ->