@angular/material
Version:
Angular Material
33 lines (32 loc) • 1.17 kB
TypeScript
/**
* @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 { FormGroupDirective, NgControl, NgForm } from '@angular/forms';
import { Subject } from 'rxjs';
import { ErrorStateMatcher } from '../error/error-options';
import { Constructor } from './constructor';
/** @docs-private */
export interface CanUpdateErrorState {
updateErrorState(): void;
readonly stateChanges: Subject<void>;
errorState: boolean;
errorStateMatcher: ErrorStateMatcher;
}
/** @docs-private */
export declare type CanUpdateErrorStateCtor = Constructor<CanUpdateErrorState>;
/** @docs-private */
export interface HasErrorState {
_parentFormGroup: FormGroupDirective;
_parentForm: NgForm;
_defaultErrorStateMatcher: ErrorStateMatcher;
ngControl: NgControl;
}
/**
* Mixin to augment a directive with updateErrorState method.
* For component with `errorState` and need to update `errorState`.
*/
export declare function mixinErrorState<T extends Constructor<HasErrorState>>(base: T): CanUpdateErrorStateCtor & T;