| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| import { Directive, forwardRef, } from '@angular/core'; |
| import { CheckboxRequiredValidator, NG_VALIDATORS, } from '@angular/forms'; |
| export const MAT_CHECKBOX_REQUIRED_VALIDATOR = { |
| provide: NG_VALIDATORS, |
| useExisting: forwardRef(() => MatCheckboxRequiredValidator), |
| multi: true |
| }; |
| /** |
| * Validator for Material checkbox's required attribute in template-driven checkbox. |
| * Current CheckboxRequiredValidator only work with `input type=checkbox` and does not |
| * work with `mat-checkbox`. |
| */ |
| export class MatCheckboxRequiredValidator extends CheckboxRequiredValidator { |
| } |
| MatCheckboxRequiredValidator.decorators = [ |
| { type: Directive, args: [{ |
| selector: `mat-checkbox[required][formControlName], |
| mat-checkbox[required][formControl], mat-checkbox[required][ngModel]`, |
| providers: [MAT_CHECKBOX_REQUIRED_VALIDATOR], |
| },] } |
| ]; |
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