Add --modules=node support

lib/src/compiler.dart

 // Copyright (c) 2015, 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.
 
 /// Command line tool to run the checker on a Dart program.
 library dev_compiler.src.compiler;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert' show JSON;
@@ skipping 495 matching lines @@
   'dart._isolate_helper',
   'dart._js_primitives',
   'dart.convert',
   // TODO(jmesserly): these are not part of corelib library cycle, and shouldn't
   // be listed here. Instead, their source should be copied on demand if they
   // are actually used by the application.
   'dart.mirrors',
   'dart._js_mirrors',
   'dart.js',
   'dart._metadata',
+  'dart.dom.html',
   'dart.dom.html_common',
-  'dart.dom.html',
   'dart._debugger'
   // _foreign_helper is not included, as it only defines the JS builtin that
   // the compiler handles at compile time.
 ];
 
+/// Returns the JS module name corresponding to a core library name (must be
+/// from the [corelibOrder] list).
+String getCorelibModuleName(String lib) {
+  assert(corelibOrder.contains(lib));
+  switch (lib) {
+    case 'dart.dom.html_common':
+      return 'dart/html_common';
+    case 'dart.dom.html':
+      return 'dart/html';
+    default:
+      return lib.replaceAll('dart.', 'dart/');
+  }
+}
+
 /// Runtime files added to all applications when running the compiler in the
 /// command line.
 final defaultRuntimeFiles = () {
   String coreToFile(String name) {
     var parts = name.split('.');
     var length = parts.length;
     if (length > 1) {
       name = parts[0] + '/' + parts[length - 1];
     }
     return name + '.js';
   }
 
   var files = [
     'harmony_feature_check.js',
     'dart_library.js',
     'dart/_runtime.js',
   ];
   files.addAll(corelibOrder.map(coreToFile));
   return files;
 }();
 
 final _log = new Logger('dev_compiler.src.compiler');