33 lines
1.1 KiB
TypeScript
33 lines
1.1 KiB
TypeScript
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/**
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* @license
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* Copyright Google LLC 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.dev/license
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*/
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import {Directive, InjectionToken, inject} from '@angular/core';
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import {CdkPortal} from '@angular/cdk/portal';
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/**
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* Injection token that can be used to reference instances of `MatTabLabel`. It serves as
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* alternative token to the actual `MatTabLabel` class which could cause unnecessary
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* retention of the class and its directive metadata.
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*/
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export const MAT_TAB_LABEL = new InjectionToken<MatTabLabel>('MatTabLabel');
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/**
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* Used to provide a tab label to a tab without causing a circular dependency.
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* @docs-private
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*/
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export const MAT_TAB = new InjectionToken<any>('MAT_TAB');
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/** Used to flag tab labels for use with the portal directive */
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@Directive({
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selector: '[mat-tab-label], [matTabLabel]',
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providers: [{provide: MAT_TAB_LABEL, useExisting: MatTabLabel}],
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})
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export class MatTabLabel extends CdkPortal {
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_closestTab = inject(MAT_TAB, {optional: true});
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}
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