28 lines
1.0 KiB
TypeScript
28 lines
1.0 KiB
TypeScript
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {Type} from '../type';
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import {InjectionToken} from './injection_token';
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// APP_ROOT_SCOPE is cast as a Type to allow for its usage as the scope parameter of @Injectable().
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/**
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* A scope which targets the root injector.
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*
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* When specified as the `scope` parameter to `@Injectable` or `InjectionToken`, this special
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* scope indicates the provider for the service or token being configured belongs in the root
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* injector. This is loosely equivalent to the convention of having a `forRoot()` static
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* function within a module that configures the provider, and expecting users to only import that
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* module via its `forRoot()` function in the root injector.
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*
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* @experimental
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*/
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export const APP_ROOT_SCOPE: Type<any> = new InjectionToken<boolean>(
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'The presence of this token marks an injector as being the root injector.') as any;
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