From b4a6c8b35e9a316c99fe0e717c09945d06bd6d7f Mon Sep 17 00:00:00 2001
From: James Campos <james.r.campos@gmail.com>
Date: Sat, 12 Jun 2010 18:41:40 -0700
Subject: [PATCH] error out at start if no #navtopr

attempt to add options to #navtopr at start, erroring out on failure.
do this so we don't add the thread watcher and waste time in general.
---
 4chan_x.coffee | 17 +++++++++--------
 4chan_x.js     | 19 ++++++++++---------
 2 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/4chan_x.coffee b/4chan_x.coffee
index 5161bc2ae..cd2e2f869 100644
--- a/4chan_x.coffee
+++ b/4chan_x.coffee
@@ -654,6 +654,15 @@ replyNav: ->
         window.location: "#$op"
 
 
+#error out if there's no #navtopr.
+text: $('#navtopr a').nextSibling
+a: tag('a')
+a.textContent: 'X'
+a.className: 'pointer'
+a.addEventListener('click', options, true)
+inBefore(text, document.createTextNode(' / '))
+inBefore(text, a)
+
 if getValue('Reply Hiding')
     callbacks.push((root) ->
         tds: $$('td.doubledash', root)
@@ -820,14 +829,6 @@ if not REPLY
         for a in as
             a.addEventListener('click', expandComment, true)
 
-a: tag('a')
-a.textContent: 'X'
-a.className: 'pointer'
-a.addEventListener('click', options, true)
-text: $('#navtopr a').nextSibling
-inBefore(text, document.createTextNode(' / '))
-inBefore(text, a)
-
 for callback in callbacks
     callback()
 document.body.addEventListener('DOMNodeInserted', nodeInserted, true)
diff --git a/4chan_x.js b/4chan_x.js
index 6c5cc1231..0cbffe690 100644
--- a/4chan_x.js
+++ b/4chan_x.js
@@ -742,8 +742,16 @@ cursor: pointer; \
       return window.location;
     }
   };
+  //error out if there's no #navtopr.
+  text = $('#navtopr a').nextSibling;
+  a = tag('a');
+  a.textContent = 'X';
+  a.className = 'pointer';
+  a.addEventListener('click', options, true);
+  inBefore(text, document.createTextNode(' / '));
+  inBefore(text, a);
   getValue('Reply Hiding') ? callbacks.push(function(root) {
-    var _c, _d, _e, _f, _g, _h, _i, _j, a, next, obj, td, tds;
+    var _c, _d, _e, _f, _g, _h, _i, _j, next, obj, td, tds;
     tds = $$('td.doubledash', root);
     _c = []; _e = tds;
     for (_d = 0, _f = _e.length; _d < _f; _d++) {
@@ -784,7 +792,7 @@ cursor: pointer; \
     });
   }
   getValue('Quick Report') ? callbacks.push(function(root) {
-    var _c, _d, _e, _f, a, arr, el;
+    var _c, _d, _e, _f, arr, el;
     arr = $$('span[id^=no]', root);
     _c = []; _e = arr;
     for (_d = 0, _f = _e.length; _d < _f; _d++) {
@@ -944,13 +952,6 @@ cursor: pointer; \
       }
     }
   }
-  a = tag('a');
-  a.textContent = 'X';
-  a.className = 'pointer';
-  a.addEventListener('click', options, true);
-  text = $('#navtopr a').nextSibling;
-  inBefore(text, document.createTextNode(' / '));
-  inBefore(text, a);
   _s = callbacks;
   for (_r = 0, _t = _s.length; _r < _t; _r++) {
     callback = _s[_r];