Dart2js called as 'dart2js.bat' on Windows

utils/apidoc/apidoc.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * This generates the reference documentation for the core libraries that come
  * with dart. It is built on top of dartdoc, which is a general-purpose library
  * for generating docs from any Dart code. This library extends that to include
  * additional information and styling specific to our standard library.
  *
@@ skipping 51 matching lines @@
           print('Unknown option: $arg');
           return;
         }
         break;
     }
   }
 
   final frogPath = joinPaths(doc.scriptDir, '../../lib/dartdoc/frog/');
 
   if (compilerPath === null) {
-    compilerPath = 'dart2js';
+    compilerPath
+        = Platform.operatingSystem == 'windows' ? 'dart2js.bat' : 'dart2js';
   }
 
   doc.cleanOutputDirectory(outputDir);
 
   // Compile the client-side code to JS.
   // TODO(bob): Right path.
 
   final clientScript = (mode == doc.MODE_STATIC) ?
       'static' : 'live-nav';
   final Future scriptCompiled = doc.compileScript(compilerPath,
@@ skipping 465 matching lines @@
     if (member.isConstructor || member.isFactory) {
       final separator = member.constructorName == '' ? '' : '.';
       memberName = 'new $typeName$separator${member.constructorName}';
     } else if (member.name.startsWith(GET_PREFIX)) {
       memberName = '$typeName.${member.name.substring(GET_PREFIX.length)}';
     }
 
     return a(memberUrl(member), memberName);
   }
 }