31 lines
904 B
TypeScript
31 lines
904 B
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, Input} from '@angular/core';
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/**
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* Injection token that can be used to reference instances of `MatPrefix`. It serves as
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* alternative token to the actual `MatPrefix` 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_PREFIX = new InjectionToken<MatPrefix>('MatPrefix');
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/** Prefix to be placed in front of the form field. */
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@Directive({
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selector: '[matPrefix], [matIconPrefix], [matTextPrefix]',
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providers: [{provide: MAT_PREFIX, useExisting: MatPrefix}],
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})
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export class MatPrefix {
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@Input('matTextPrefix')
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set _isTextSelector(value: '') {
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this._isText = true;
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}
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_isText = false;
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}
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