From 9f3b9a212743b7060a5cc67f8829477cbf273119 Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <stepien.nicolas@gmail.com>
Date: Thu, 6 Sep 2012 01:22:29 +0200
Subject: [PATCH] Use a closure with a private variable for $.cache's requests.

---
 4chan_x.user.js | 61 ++++++++++++++++++++++++++-----------------------
 script.coffee   | 34 ++++++++++++++-------------
 2 files changed, 50 insertions(+), 45 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index 7ab665616..26b2d1813 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -369,37 +369,40 @@
       r.send(form);
       return r;
     },
-    cache: function(url, cb) {
-      var req, reqs, _base;
-      reqs = (_base = $.cache).requests || (_base.requests = {});
-      if (req = reqs[url]) {
-        if (req.readyState === 4) {
-          cb.call(req);
-        } else {
-          req.callbacks.push(cb);
-        }
-        return;
-      }
-      req = $.ajax(url, {
-        onload: function() {
-          var _i, _len, _ref;
-          _ref = this.callbacks;
-          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-            cb = _ref[_i];
-            cb.call(this);
+    cache: (function() {
+      var reqs;
+      reqs = {};
+      return function(url, cb) {
+        var req;
+        if (req = reqs[url]) {
+          if (req.readyState === 4) {
+            cb.call(req);
+          } else {
+            req.callbacks.push(cb);
           }
-          return delete this.callbacks;
-        },
-        onabort: function() {
-          return delete reqs[url];
-        },
-        onerror: function() {
-          return delete reqs[url];
+          return;
         }
-      });
-      req.callbacks = [cb];
-      return reqs[url] = req;
-    },
+        req = $.ajax(url, {
+          onload: function() {
+            var _i, _len, _ref;
+            _ref = this.callbacks;
+            for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+              cb = _ref[_i];
+              cb.call(this);
+            }
+            return delete this.callbacks;
+          },
+          onabort: function() {
+            return delete reqs[url];
+          },
+          onerror: function() {
+            return delete reqs[url];
+          }
+        });
+        req.callbacks = [cb];
+        return reqs[url] = req;
+      };
+    })(),
     cb: {
       checked: function() {
         $.set(this.name, this.checked);
diff --git a/script.coffee b/script.coffee
index 5a4c7b335..a1410fa38 100644
--- a/script.coffee
+++ b/script.coffee
@@ -295,22 +295,24 @@ $.extend $,
     $.extend r.upload, upCallbacks
     r.send form
     r
-  cache: (url, cb) ->
-    reqs = $.cache.requests or= {}
-    if req = reqs[url]
-      if req.readyState is 4
-        cb.call req
-      else
-        req.callbacks.push cb
-      return
-    req = $.ajax url,
-      onload:  ->
-        cb.call @ for cb in @callbacks
-        delete @callbacks
-      onabort: -> delete reqs[url]
-      onerror: -> delete reqs[url]
-    req.callbacks = [cb]
-    reqs[url] = req
+  cache: (->
+    reqs = {}
+    (url, cb) ->
+      if req = reqs[url]
+        if req.readyState is 4
+          cb.call req
+        else
+          req.callbacks.push cb
+        return
+      req = $.ajax url,
+        onload:  ->
+          cb.call @ for cb in @callbacks
+          delete @callbacks
+        onabort: -> delete reqs[url]
+        onerror: -> delete reqs[url]
+      req.callbacks = [cb]
+      reqs[url] = req
+  )()
   cb:
     checked: ->
       $.set @name, @checked