RequiredValidator

Stable

Directive

Class Overview

class RequiredValidator implements Validator {
required : boolean|string
validate(c: AbstractControl) : ValidationErrors|

}

Selectors

:not([type=checkbox])[required][formControlName]

:not([type=checkbox])[required][formControl]

:not([type=checkbox])[required][ngModel]

Class Description

A Directive that adds the required validator to any controls marked with the required attribute, via the NG_VALIDATORS binding.

Example

<input name="fullName" ngModel required>

Class Details

required : boolean|string

validate(c: AbstractControl) : ValidationErrors|

exported from forms/index, defined in forms/src/directives/validators.ts