D-Net

/**

 * @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 { OnChanges, Provider, SimpleChanges } from '@angular/core';

import { Observable } from 'rxjs/Observable';

import { AbstractControl } from '../model';

/** @experimental */

export declare type ValidationErrors = {

    [key: string]: any;

};

/**

 * An interface that can be implemented by classes that can act as validators.

 *

 * ## Usage

 *

 * ```typescript

 * @Directive({

 *   selector: '[custom-validator]',

 *   providers: [{provide: NG_VALIDATORS, useExisting: CustomValidatorDirective, multi: true}]

 * })

 * class CustomValidatorDirective implements Validator {

 *   validate(c: Control): {[key: string]: any} {

 *     return {"custom": true};

 *   }

 * }

 * ```

 *

 * @stable

 */

export interface Validator {

    validate(c: AbstractControl): ValidationErrors | null;

    registerOnValidatorChange?(fn: () => void): void;

}

/** @experimental */

export interface AsyncValidator extends Validator {

    validate(c: AbstractControl): Promise<ValidationErrors | null> | Observable<ValidationErrors | null>;

}

export declare const REQUIRED_VALIDATOR: Provider;

export declare const CHECKBOX_REQUIRED_VALIDATOR: Provider;

/**

 * A Directive that adds the `required` validator to any controls marked with the

 * `required` attribute, via the {@link NG_VALIDATORS} binding.

 *

 * ### Example

 *

 * ```

 * <input name="fullName" ngModel required>

 * ```

 *

 * @stable

 */

export declare class RequiredValidator implements Validator {

    private _required;

    private _onChange;

    required: boolean | string;

    validate(c: AbstractControl): ValidationErrors | null;

    registerOnValidatorChange(fn: () => void): void;

}

/**

 * A Directive that adds the `required` validator to checkbox controls marked with the

 * `required` attribute, via the {@link NG_VALIDATORS} binding.

 *

 * ### Example

 *

 * ```

 * <input type="checkbox" name="active" ngModel required>

 * ```

 *

 * @experimental

 */

export declare class CheckboxRequiredValidator extends RequiredValidator {

    validate(c: AbstractControl): ValidationErrors | null;

}

/**

 * Provider which adds {@link EmailValidator} to {@link NG_VALIDATORS}.

 */

export declare const EMAIL_VALIDATOR: any;

/**

 * A Directive that adds the `email` validator to controls marked with the

 * `email` attribute, via the {@link NG_VALIDATORS} binding.

 *

 * ### Example

 *

 * ```

 * <input type="email" name="email" ngModel email>

 * <input type="email" name="email" ngModel email="true">

 * <input type="email" name="email" ngModel [email]="true">

 * ```

 *

 * @experimental

 */

export declare class EmailValidator implements Validator {

    private _enabled;

    private _onChange;

    email: boolean | string;

    validate(c: AbstractControl): ValidationErrors | null;

    registerOnValidatorChange(fn: () => void): void;

}

/**

 * @stable

 */

export interface ValidatorFn {

    (c: AbstractControl): ValidationErrors | null;

}

/**

 * @stable

 */

export interface AsyncValidatorFn {

    (c: AbstractControl): Promise<ValidationErrors | null> | Observable<ValidationErrors | null>;

}

/**

 * Provider which adds {@link MinLengthValidator} to {@link NG_VALIDATORS}.

 *

 * ## Example:

 *

 * {@example common/forms/ts/validators/validators.ts region='min'}

 */

export declare const MIN_LENGTH_VALIDATOR: any;

/**

 * A directive which installs the {@link MinLengthValidator} for any `formControlName`,

 * `formControl`, or control with `ngModel` that also has a `minlength` attribute.

 *

 * @stable

 */

export declare class MinLengthValidator implements Validator, OnChanges {

    private _validator;

    private _onChange;

    minlength: string;

    ngOnChanges(changes: SimpleChanges): void;

    validate(c: AbstractControl): ValidationErrors | null;

    registerOnValidatorChange(fn: () => void): void;

    private _createValidator();

}

/**

 * Provider which adds {@link MaxLengthValidator} to {@link NG_VALIDATORS}.

 *

 * ## Example:

 *

 * {@example common/forms/ts/validators/validators.ts region='max'}

 */

export declare const MAX_LENGTH_VALIDATOR: any;

/**

 * A directive which installs the {@link MaxLengthValidator} for any `formControlName,

 * `formControl`,

 * or control with `ngModel` that also has a `maxlength` attribute.

 *

 * @stable

 */

export declare class MaxLengthValidator implements Validator, OnChanges {

    private _validator;

    private _onChange;

    maxlength: string;

    ngOnChanges(changes: SimpleChanges): void;

    validate(c: AbstractControl): ValidationErrors | null;

    registerOnValidatorChange(fn: () => void): void;

    private _createValidator();

}

export declare const PATTERN_VALIDATOR: any;

/**

 * A Directive that adds the `pattern` validator to any controls marked with the

 * `pattern` attribute, via the {@link NG_VALIDATORS} binding. Uses attribute value

 * as the regex to validate Control value against.  Follows pattern attribute

 * semantics; i.e. regex must match entire Control value.

 *

 * ### Example

 *

 * ```

 * <input [name]="fullName" pattern="[a-zA-Z ]*" ngModel>

 * ```

 * @stable

 */

export declare class PatternValidator implements Validator, OnChanges {

    private _validator;

    private _onChange;

    pattern: string | RegExp;

    ngOnChanges(changes: SimpleChanges): void;

    validate(c: AbstractControl): ValidationErrors | null;

    registerOnValidatorChange(fn: () => void): void;

    private _createValidator();

}