79472b77ca
This is part of ongoing work to make core platform-independent.
BREAKING CHANGE
All private exports from 'angular2/src/core/facade/{lang,collection,exception_handler}' should be replaced with 'angular2/src/facade/{lang,collection,exception_handler}'.
51 lines
1.6 KiB
TypeScript
51 lines
1.6 KiB
TypeScript
import {OpaqueToken, Provider} from 'angular2/src/core/di';
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import {CONST_EXPR, Math, StringWrapper} from 'angular2/src/facade/lang';
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/**
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* @internal
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*/
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export const APP_COMPONENT_REF_PROMISE = CONST_EXPR(new OpaqueToken('Promise<ComponentRef>'));
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/**
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* An {@link angular2/di/OpaqueToken} representing the application root type in the {@link
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* Injector}.
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*
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* ```
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* @Component(...)
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* class MyApp {
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* ...
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* }
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*
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* bootstrap(MyApp).then((appRef:ApplicationRef) {
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* expect(appRef.injector.get(appComponentTypeToken)).toEqual(MyApp);
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* });
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*
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* ```
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*/
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export const APP_COMPONENT: OpaqueToken = CONST_EXPR(new OpaqueToken('AppComponent'));
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/**
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* A DI Token representing a unique string id assigned to the application by Angular and used
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* primarily for prefixing application attributes and CSS styles when
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* {@link ViewEncapsulation#Emulated} is being used.
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*
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* If you need to avoid randomly generated value to be used as an application id, you can provide
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* a custom value via a DI provider <!-- TODO: provider --> configuring the root {@link Injector}
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* using this token.
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*/
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export const APP_ID: OpaqueToken = CONST_EXPR(new OpaqueToken('AppId'));
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function _appIdRandomProviderFactory() {
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return `${_randomChar()}${_randomChar()}${_randomChar()}`;
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}
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/**
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* Providers that will generate a random APP_ID_TOKEN.
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*/
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export const APP_ID_RANDOM_PROVIDER: Provider =
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CONST_EXPR(new Provider(APP_ID, {useFactory: _appIdRandomProviderFactory, deps: []}));
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function _randomChar(): string {
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return StringWrapper.fromCharCode(97 + Math.floor(Math.random() * 25));
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}
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