0.4.3, with fixed export for CommonJS and StopIteration support

index.html

@@ -107,11 +107,11 @@
     <p>
       <table>
         <tr>
-          <td><a href="underscore.js">Development Version (0.4.2)</a></td>
+          <td><a href="underscore.js">Development Version (0.4.3)</a></td>
           <td><i>18kb, Uncompressed with Comments</i></td>
         </tr>
         <tr>
-          <td><a href="underscore-min.js">Production Version (0.4.2)</a></td>
+          <td><a href="underscore-min.js">Production Version (0.4.3)</a></td>
           <td><i>2kb, Packed and Gzipped</i></td>
         </tr>
       </table>
@@ -803,7 +803,9 @@ moe === _.identity(moe);
         <b class="header">breakLoop</b><code>_.breakLoop()</code>
         <br />
         Breaks out of the current loop iteration. Similar to the <tt>break</tt>
-        keyword in regular "for" loop, but works within an iterator function.
+        keyword in regular "for" loop, but works within an iterator function. 
+        Uses the native <tt>StopIteration</tt> object in JavaScript 1.7 compliant
+        browsers.
       </p>
       <pre>
 var result = null;
@@ -889,6 +891,12 @@ _([1, 2, 3]).value();
 
       <h2>Change Log</h2>
       
+      <p>
+        <b class="header">0.4.3</b><br />
+        Started using the native StopIteration object in browsers that support it.
+        Fixed Underscore setup for CommonJS environments.
+      </p>
+      
       <p>
         <b class="header">0.4.2</b><br />
         Renamed the unwrapping function to <tt>value</tt>, for clarity.

underscore.js

@@ -21,19 +21,17 @@
   // underscore functions. Wrapped objects may be chained.
   var wrapper = function(obj) { this._wrapped = obj; };
 
+  // Establish the object that gets thrown to break out of a loop iteration.
+  var breaker = typeof StopIteration !== 'undefined' ? StopIteration : '__break__';
+
   // Create a safe reference to the Underscore object for reference below.
   var _ = root._ = function(obj) { return new wrapper(obj); };
 
   // Export the Underscore object for CommonJS.
-  if (module && typeof module.exports !== 'undefined') {
-    // richer binding for systems that allow it (node.js for example)
-    module.exports = _;
-  } else {
-    if (typeof exports !== 'undefined') _ = exports;
-  }
+  if (typeof exports !== 'undefined') exports._ = _;
 
   // Current version.
-  _.VERSION = '0.4.2';
+  _.VERSION = '0.4.3';
 
   /*------------------------ Collection Functions: ---------------------------*/
 
@@ -52,7 +50,7 @@
         }
       }
     } catch(e) {
-      if (e != '__break__') throw e;
+      if (e != breaker) throw e;
     }
     return obj;
   };
@@ -453,7 +451,7 @@
 
   // Break out of the middle of an iteration.
   _.breakLoop = function() {
-    throw "__break__";
+    throw breaker;
   };
 
   // Generate a unique integer id (unique within the entire client session).