From 674848648aa5560dd2c83786e196b9ad7b6ce2f9 Mon Sep 17 00:00:00 2001
From: Tobias Bosch <tbosch1009@gmail.com>
Date: Tue, 17 Feb 2015 14:29:40 -0800
Subject: [PATCH] feat(facade): add support for `Date`

Also refactors the dart transpilar to expose
the type mappings for future changes.
---
 modules/angular2/src/facade/lang.dart                 | 11 ++++++++++-
 modules/angular2/src/facade/lang.es6                  | 10 ++++++++++
 .../src/outputgeneration/DartParseTreeWriter.js       | 10 ++--------
 tools/transpiler/src/type_mapping.js                  |  8 ++++++++
 4 files changed, 30 insertions(+), 9 deletions(-)
 create mode 100644 tools/transpiler/src/type_mapping.js

diff --git a/modules/angular2/src/facade/lang.dart b/modules/angular2/src/facade/lang.dart
index 21ce1f3d46..33ef216697 100644
--- a/modules/angular2/src/facade/lang.dart
+++ b/modules/angular2/src/facade/lang.dart
@@ -1,6 +1,6 @@
 library angular.core.facade.lang;
 
-export 'dart:core' show Type, RegExp, print;
+export 'dart:core' show Type, RegExp, print, DateTime;
 import 'dart:math' as math;
 import 'dart:convert' as convert;
 
@@ -183,3 +183,12 @@ class Json {
   static parse(String s) => convert.JSON.decode(s);
   static stringify(data) => convert.JSON.encode(data);
 }
+
+class DateWrapper {
+  static fromMillis(int ms) {
+    return new DateTime.fromMillisecondsSinceEpoch(ms);
+  }
+  static now() {
+    return new DateTime.now();
+  }
+}
diff --git a/modules/angular2/src/facade/lang.es6 b/modules/angular2/src/facade/lang.es6
index 05a03ef171..485933a97b 100644
--- a/modules/angular2/src/facade/lang.es6
+++ b/modules/angular2/src/facade/lang.es6
@@ -3,6 +3,7 @@ export {_global as global};
 
 export var Type = Function;
 export var Math = _global.Math;
+export var Date = _global.Date;
 
 var assertionsEnabled_ = typeof assert !== 'undefined';
 
@@ -250,3 +251,12 @@ export function print(obj) {
 
 // Can't be all uppercase as our transpiler would think it is a special directive...
 export var Json = _global.JSON;
+
+export class DateWrapper {
+  static fromMillis(ms) {
+    return new Date(ms);
+  }
+  static now() {
+    return new Date();
+  }
+}
diff --git a/tools/transpiler/src/outputgeneration/DartParseTreeWriter.js b/tools/transpiler/src/outputgeneration/DartParseTreeWriter.js
index 6e4b9f8939..896d9dcd2b 100644
--- a/tools/transpiler/src/outputgeneration/DartParseTreeWriter.js
+++ b/tools/transpiler/src/outputgeneration/DartParseTreeWriter.js
@@ -32,6 +32,7 @@ import {ParseTreeWriter as JavaScriptParseTreeWriter, ObjectLiteralExpression} f
 import {ImportedBinding, BindingIdentifier} from 'traceur/src/syntax/trees/ParseTrees';
 import {IdentifierToken} from 'traceur/src/syntax/IdentifierToken';
 import {EXPORT_STAR, NAMED_EXPORT} from 'traceur/src/syntax/trees/ParseTreeType';
+import {typeMapping} from '../type_mapping';
 
 export class DartParseTreeWriter extends JavaScriptParseTreeWriter {
   constructor(moduleName, outputPath) {
@@ -221,14 +222,7 @@ export class DartParseTreeWriter extends JavaScriptParseTreeWriter {
   }
 
   normalizeType_(typeName) {
-    switch (typeName) {
-      case 'number': return 'num';
-      case 'boolean': return 'bool';
-      case 'string': return 'String';
-      case 'any': return 'dynamic';
-      case 'Promise': return 'Future';
-      default: return typeName;
-    }
+    return typeMapping[typeName] || typeName;
   }
 
   // FUNCTION/METHOD ARGUMENTS
diff --git a/tools/transpiler/src/type_mapping.js b/tools/transpiler/src/type_mapping.js
new file mode 100644
index 0000000000..87c34dcbb4
--- /dev/null
+++ b/tools/transpiler/src/type_mapping.js
@@ -0,0 +1,8 @@
+export var typeMapping = {
+  'number': 'num',
+  'boolean': 'bool',
+  'string': 'String',
+  'any': 'dynamic',
+  'Promise': 'Future',
+  'Date': 'DateTime'
+};