fix(build): support transpile to commonjs

modules/angular2/src/core/zone/vm_turn_zone.es6

@@ -1,5 +1,5 @@
 import {List, ListWrapper, StringMapWrapper} from 'angular2/src/facade/collection';
-import {normalizeBlank, isPresent} from 'angular2/src/facade/lang';
+import {normalizeBlank, isPresent, global} from 'angular2/src/facade/lang';
 
 export class VmTurnZone {
   _outerZone;
@@ -17,7 +17,7 @@ export class VmTurnZone {
     this._onTurnDone = null;
     this._onErrorHandler = null;
 
-    this._outerZone = window.zone;
+    this._outerZone = global.zone;
     this._innerZone = this._createInnerZone(this._outerZone, enableLongStackTrace);
   }
 

modules/angular2/src/facade/async.es6

@@ -1,6 +1,7 @@
-import {int} from 'angular2/src/facade/lang';
+import {int, global} from 'angular2/src/facade/lang';
 import {List} from 'angular2/src/facade/collection';
-export var Promise = window.Promise;
+
+export var Promise = global.Promise;
 
 export class PromiseWrapper {
   static resolve(obj):Promise {
@@ -37,7 +38,7 @@ export class PromiseWrapper {
   }
 
   static setTimeout(fn:Function, millis:int) {
-    window.setTimeout(fn, millis);
+    global.setTimeout(fn, millis);
   }
 
   static isPromise(maybePromise):boolean {

modules/angular2/src/facade/collection.es6

@@ -1,8 +1,8 @@
-import {int, isJsObject} from 'angular2/src/facade/lang';
+import {int, isJsObject, global} from 'angular2/src/facade/lang';
 
-export var List = window.Array;
-export var Map = window.Map;
-export var Set = window.Set;
+export var List = global.Array;
+export var Map = global.Map;
+export var Set = global.Set;
 
 export class MapWrapper {
   static create():Map { return new Map(); }

modules/angular2/src/facade/dom.es6

@@ -1,3 +1,5 @@
+import {List, MapWrapper, ListWrapper} from 'angular2/src/facade/collection';
+
 export var window = frames.window;
 export var DocumentFragment = window.DocumentFragment;
 export var Node = window.Node;
@@ -10,8 +12,6 @@ export var document = window.document;
 export var location = window.location;
 export var gc = window.gc ? () => window.gc() : () => null;
 
-import {List, MapWrapper, ListWrapper} from 'angular2/src/facade/collection';
-
 export class DOM {
   static query(selector) {
     return document.querySelector(selector);

modules/angular2/src/facade/lang.dart

@@ -1,6 +1,6 @@
 library angular.core.facade.lang;
 
-export 'dart:core' show Type, RegExp;
+export 'dart:core' show Type, RegExp, print;
 import 'dart:math' as math;
 
 class Math {

modules/angular2/src/facade/lang.es6

@@ -1,7 +1,10 @@
 export {proxy} from 'rtts_assert/rtts_assert';
 
+var _global = typeof window === 'undefined' ? global : window;
+export {_global as global};
+
 export var Type = Function;
-export var Math = window.Math;
+export var Math = _global.Math;
 
 var assertionsEnabled_ = typeof assert !== 'undefined';
 
@@ -9,14 +12,14 @@ var int;
 // global assert support, as Dart has it...
 // TODO: `assert` calls need to be removed in production code!
 if (assertionsEnabled_) {
-  window.assert = assert;
+  _global.assert = assert;
   // `int` is not a valid JS type
   int = assert.define('int', function(value) {
     return typeof value === 'number' && value%1 === 0;
   });
 } else {
   int = {};
-  window.assert = function() {};
+  _global.assert = function() {};
 }
 export {int};
 
@@ -173,8 +176,8 @@ var RegExp;
 if (assertionsEnabled_) {
   RegExp = assert.define('RegExp', function(obj) {
     assert(obj).is(assert.structure({
-      single: window.RegExp,
-      multiple: window.RegExp
+      single: _global.RegExp,
+      multiple: _global.RegExp
     }));
   });
 } else {
@@ -185,8 +188,8 @@ export class RegExpWrapper {
   static create(regExpStr, flags:string = ''):RegExp {
     flags = flags.replace(/g/g, '');
     return {
-      multiple: new window.RegExp(regExpStr, flags + 'g'),
-      single: new window.RegExp(regExpStr, flags)
+      multiple: new _global.RegExp(regExpStr, flags + 'g'),
+      single: new _global.RegExp(regExpStr, flags)
     };
   }
   static firstMatch(regExp, input) {

modules/angular2/src/facade/math.es6

@@ -1 +1,3 @@
-export var Math = window.Math;
+import {global} from 'angular2/src/facade/lang';
+
+export var Math = global.Math;