84 lines
2.1 KiB
TypeScript

/**
* @license
* Copyright Google Inc. 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 {AbstractControlDirective} from './abstract_control_directive';
import {ControlContainer} from './control_container';
import {ControlValueAccessor} from './control_value_accessor';
import {AsyncValidator, AsyncValidatorFn, Validator, ValidatorFn} from './validators';
function unimplemented(): any {
throw new Error('unimplemented');
}
/**
* @description
* A base class that all control directives extend. It binds a `FormControl` object to a
* DOM element and is only used internally by Angular forms.
*/
export abstract class NgControl extends AbstractControlDirective {
/**
* @description
* The parent form for the control
* @internal
*/
_parent: ControlContainer|null = null;
/**
* @description
* The name for the control
*/
name: string|null = null;
/**
* @description
* The value accessor for the control
*/
valueAccessor: ControlValueAccessor|null = null;
/**
* @description
* The uncomposed array of synchronous validators for the control
*
* @internal
*/
_rawValidators: Array<Validator|ValidatorFn> = [];
/**
* @description
* The uncomposed array of async validators for the control
*
* @internal
*/
_rawAsyncValidators: Array<AsyncValidator|AsyncValidatorFn> = [];
/**
* @description
* The registered synchronous validator function for the control
*
* @throws An exception that this method is not implemented
*/
get validator(): ValidatorFn|null { return <ValidatorFn>unimplemented(); }
/**
* @description
* The registered async validator function for the control
*
* @throws An exception that this method is not implemented
*/
get asyncValidator(): AsyncValidatorFn|null { return <AsyncValidatorFn>unimplemented(); }
/**
* @description
* The callback method to update the model from the view when requested
*
* @param newValue The new value for the view
*/
abstract viewToModelUpdate(newValue: any): void;
}