feat: allow Type.annotations = Component(...).View(...)

Closes angular#2577

Author: mhevery

modules/angular2/src/reflection/reflection_capabilities.ts

@@ -1,4 +1,11 @@
-import {Type, isPresent, global, stringify, BaseException} from 'angular2/src/facade/lang';
+import {
+ Type,
+ isPresent,
+ isFunction,
+ global,
+ stringify,
+ BaseException
+} from 'angular2/src/facade/lang';
 import {List, ListWrapper} from 'angular2/src/facade/collection';
 import {GetterFn, SetterFn, MethodFn} from './types';
 import {PlatformReflectionCapabilities} from 'platform_reflection_capabilities';
@@ -118,7 +125,11 @@ export class ReflectionCapabilities implements PlatformReflectionCapabilities {
  annotations(typeOfFunc): List<any> {
  // Prefer the direct API.
  if (isPresent(typeOfFunc.annotations)) {
- return typeOfFunc.annotations;
+ var annotations = typeOfFunc.annotations;
+ if (isFunction(annotations) && annotations.annotations) {
+ annotations = annotations.annotations;
+ }
+ return annotations;
  }
  if (isPresent(this._reflect) && isPresent(this._reflect.getMetadata)) {
  var annotations = this._reflect.getMetadata('annotations', typeOfFunc);

modules/angular2/test/core/annotations/decorators_spec.ts

@@ -11,6 +11,7 @@ import {
 } from 'angular2/test_lib';
 
 import {Component, View, Directive} from 'angular2/angular2';
+import {reflector} from 'angular2/src/reflection/reflection';
 
 export function main() {
  describe('es5 decorators', () => {
@@ -24,5 +25,12 @@ export function main() {
  Component({}).View({}).View({}).Class({constructor: function() { this.works = true; }});
  expect(new MyComponent().works).toEqual(true);
  });
+
+ it('should create type in ES5', () => {
+ function MyComponent(){};
+ var as;
+ (<any>MyComponent).annotations = as = Component({}).View({});
+ expect(reflector.annotations(MyComponent)).toEqual(as.annotations);
+ });
  });
 }