Function requiredTrueValidator

packages/forms/src/validators.ts:511–513

(control: AbstractControl)

 * See `Validators.requiredTrue` for additional information.
 */
export function requiredTrueValidator(control: AbstractControl): ValidationErrors | null {
  return control.value === true ? null : {'required': true};
}

/**
 * Validator that requires the control's value pass an email validation test.