feat(core): enable dev mode by default

BREAKING CHANGE

Before

Previously Angular would run in dev prod mode by default, and you could enable the dev mode by calling enableDevMode.

After

Now, Angular runs in the dev mode by default, and you can enable the prod mode by calling enableProdMode.

Author: vsavkin

modules/angular2/core.dart

@@ -2,7 +2,7 @@ library angular2.core;
 
 export './src/core/metadata.dart';
 export './src/core/util.dart';
-export './src/core/dev_mode.dart';
+export 'package:angular2/src/facade/lang.dart' show enableProdMode;
 export './src/core/di.dart' hide ForwardRefFn, resolveForwardRef, forwardRef;
 export './src/facade/facade.dart';
 export './src/core/application_ref.dart' show platform, createNgZone, PlatformRef, ApplicationRef;

modules/angular2/core.ts

@@ -5,9 +5,10 @@
  */
 export * from './src/core/metadata';
 export * from './src/core/util';
-export * from './src/core/dev_mode';
+export * from './src/core/prod_mode';
 export * from './src/core/di';
 export * from './src/facade/facade';
+export {enableProdMode} from 'angular2/src/facade/lang';
 export {platform, createNgZone, PlatformRef, ApplicationRef} from './src/core/application_ref';
 export {
   APP_ID,

modules/angular2/examples/core/ts/dev_mode/my_component.ts renamed to modules/angular2/examples/core/ts/prod_mode/my_component.ts

@@ -1,8 +1,8 @@
-// #docregion enableDevMode
-import {enableDevMode} from 'angular2/core';
+// #docregion enableProdMode
+import {enableProdMode} from 'angular2/core';
 import {bootstrap} from 'angular2/bootstrap';
 import {MyComponent} from 'my_component';
 
-enableDevMode();
+enableProdMode();
 bootstrap(MyComponent);
 // #enddocregion

modules/angular2/examples/core/ts/dev_mode/dev_mode_example.ts renamed to modules/angular2/examples/core/ts/prod_mode/prod_mode_example.ts

@@ -30,7 +30,6 @@ interface BrowserNodeGlobal {
   zone: Zone;
   getAngularTestability: Function;
   getAllAngularTestabilities: Function;
-  angularDevMode: boolean;
   setTimeout: Function;
   clearTimeout: Function;
   setInterval: Function;

modules/angular2/manual_typings/globals-es6.d.ts

@@ -34,9 +34,10 @@ import {
   unimplemented
 } from 'angular2/src/facade/exceptions';
 import {internalView} from 'angular2/src/core/linker/view_ref';
+import {Console} from 'angular2/src/core/console';
 import {wtfLeave, wtfCreateScope, WtfScopeFn} from './profile/profile';
 import {ChangeDetectorRef} from 'angular2/src/core/change_detection/change_detector_ref';
-import {lockDevMode} from 'angular2/src/facade/lang';
+import {lockMode} from 'angular2/src/facade/lang';
 
 /**
  * Construct providers specific to an individual root component.
@@ -98,7 +99,7 @@ var _platformProviders: any[];
  * provides, Angular will throw an exception.
  */
 export function platform(providers?: Array<Type | Provider | any[]>): PlatformRef {
-  lockDevMode();
+  lockMode();
   if (isPresent(_platform)) {
     if (ListWrapper.equals(_platformProviders, providers)) {
       return _platform;
@@ -425,7 +426,15 @@ export class ApplicationRef_ extends ApplicationRef {
         completer.reject(e, e.stack);
       }
     });
-    return completer.promise;
+    return completer.promise.then(_ => {
+      let c = this._injector.get(Console);
+      let modeDescription =
+          assertionsEnabled() ?
+              "in the development mode. Call enableProdMode() to enable the production mode." :
+              "in the production mode. Call enableDevMode() to enable the development mode.";
+      c.log(`Angular 2 is running ${modeDescription}`);
+      return _;
+    });
   }
 
   /** @internal */

modules/angular2/src/core/application_ref.ts

@@ -0,0 +1,7 @@
+import {Injectable} from 'angular2/src/core/di';
+import {print} from 'angular2/src/facade/lang';
+
+@Injectable()
+export class Console {
+  log(message: string): void { print(message); }
+}

modules/angular2/src/core/console.ts

@@ -1,5 +1,6 @@
 import {Type, isBlank, isPresent, assertionsEnabled, CONST_EXPR} from 'angular2/src/facade/lang';
 import {provide, Provider, Injector, OpaqueToken} from 'angular2/src/core/di';
+import {Console} from 'angular2/src/core/console';
 import {Reflector, reflector} from './reflection/reflection';
 import {TestabilityRegistry} from 'angular2/src/core/testability/testability';
 
@@ -10,5 +11,5 @@ function _reflector(): Reflector {
 /**
  * A default set of providers which should be included in any Angular platform.
  */
-export const PLATFORM_COMMON_PROVIDERS: Array<Type | Provider | any[]> =
-    CONST_EXPR([new Provider(Reflector, {useFactory: _reflector, deps: []}), TestabilityRegistry]);
+export const PLATFORM_COMMON_PROVIDERS: Array<Type | Provider | any[]> = CONST_EXPR(
+    [new Provider(Reflector, {useFactory: _reflector, deps: []}), TestabilityRegistry, Console]);

modules/angular2/src/core/dev_mode.ts

@@ -0,0 +1 @@
+export {enableProdMode} from 'angular2/src/facade/lang';