From db181e2a367deb46fbb35b4e9e7214319f8a2267 Mon Sep 17 00:00:00 2001
From: satyr <murky.satyr@gmail.com>
Date: Wed, 18 Aug 2010 09:35:52 +0900
Subject: [PATCH] enabled remote scripts in browsers

---
 lib/coffee-script.js     | 47 ++++++++++++++++++++++++++++++----------
 src/coffee-script.coffee | 31 ++++++++++++++++++--------
 2 files changed, 57 insertions(+), 21 deletions(-)
 mode change 100644 => 100755 lib/coffee-script.js
 mode change 100644 => 100755 src/coffee-script.coffee

diff --git a/lib/coffee-script.js b/lib/coffee-script.js
old mode 100644
new mode 100755
index 010fdee9..96e7372a
--- a/lib/coffee-script.js
+++ b/lib/coffee-script.js
@@ -1,5 +1,5 @@
 (function() {
-  var Lexer, compile, helpers, lexer, parser, path, processScripts;
+  var Lexer, compile, grind, grindRemote, helpers, lexer, parser, path, processScripts;
   if (typeof process !== "undefined" && process !== null) {
     path = require('path');
     Lexer = require('./lexer').Lexer;
@@ -59,22 +59,45 @@
       return "";
     }
   };
-  if ((typeof document !== "undefined" && document !== null) && document.getElementsByTagName) {
+  if ((typeof document === "undefined" || document === null) ? undefined : document.getElementsByTagName) {
+    grind = function(coffee) {
+      return setTimeout(exports.compile(coffee, {
+        noWrap: true
+      }));
+    };
+    grindRemote = function(url) {
+      var xhr;
+      xhr = new (window.ActiveXObject || XMLHttpRequest)('Microsoft.XMLHTTP');
+      xhr.open('GET', url, true);
+      if ('overrideMimeType' in xhr) {
+        xhr.overrideMimeType('text/plain');
+      }
+      xhr.onreadystatechange = function() {
+        if (xhr.readyState === 4) {
+          return grind(xhr.responseText);
+        }
+      };
+      return xhr.send(null);
+    };
     processScripts = function() {
-      var _a, _b, _c, _d, tag;
-      _a = []; _c = document.getElementsByTagName('script');
-      for (_b = 0, _d = _c.length; _b < _d; _b++) {
-        tag = _c[_b];
-        if (tag.type === 'text/coffeescript') {
-          _a.push(eval(exports.compile(tag.innerHTML)));
+      var _a, _b, _c, script;
+      _b = document.getElementsByTagName('script');
+      for (_a = 0, _c = _b.length; _a < _c; _a++) {
+        script = _b[_a];
+        if (script.type === 'text/coffeescript') {
+          if (script.src) {
+            grindRemote(script.src);
+          } else {
+            grind(script.innerHTML);
+          }
         }
       }
-      return _a;
+      return null;
     };
     if (window.addEventListener) {
-      window.addEventListener('load', processScripts, false);
-    } else if (window.attachEvent) {
-      window.attachEvent('onload', processScripts);
+      addEventListener('DOMContentLoaded', processScripts, false);
+    } else {
+      attachEvent('onload', processScripts);
     }
   }
 })();
diff --git a/src/coffee-script.coffee b/src/coffee-script.coffee
old mode 100644
new mode 100755
index 3d727212..c82f1816
--- a/src/coffee-script.coffee
+++ b/src/coffee-script.coffee
@@ -71,14 +71,27 @@ parser.lexer =
   upcomingInput: -> ""
 
 # Activate CoffeeScript in the browser by having it compile and evaluate
-# all script tags with a content-type of `text/coffeescript`. This happens
-# on page load. Unfortunately, the text contents of remote scripts cannot be
-# accessed from the browser, so only inline script tags will work.
-if document? and document.getElementsByTagName
+# all script tags with a content-type of `text/coffeescript`.
+# This happens on page load.
+if document?.getElementsByTagName
+  grind = (coffee) ->
+    setTimeout exports.compile coffee, noWrap: true
+  grindRemote = (url) ->
+    xhr = new (window.ActiveXObject or XMLHttpRequest)('Microsoft.XMLHTTP')
+    xhr.open 'GET', url, true
+    xhr.overrideMimeType 'text/plain' if 'overrideMimeType' of xhr
+    xhr.onreadystatechange = ->
+      grind xhr.responseText if xhr.readyState is 4
+    xhr.send null
   processScripts = ->
-    for tag in document.getElementsByTagName('script') when tag.type is 'text/coffeescript'
-      eval exports.compile tag.innerHTML
+    for script in document.getElementsByTagName 'script'
+      if script.type is 'text/coffeescript'
+        if script.src
+          grindRemote script.src
+        else
+          grind script.innerHTML
+    null
   if window.addEventListener
-    window.addEventListener 'load', processScripts, false
-  else if window.attachEvent
-    window.attachEvent 'onload', processScripts
+    addEventListener 'DOMContentLoaded', processScripts, false
+  else
+    attachEvent 'onload', processScripts