MinLengthValidator

directive

npm Package	@angular/forms
Module	import { MinLengthValidator } from '@angular/forms';
Source	forms/src/directives/validators.ts

Overview

@Directive({
    selector: '[minlength][formControlName],[minlength][formControl],[minlength][ngModel]',
    providers: [MIN_LENGTH_VALIDATOR],
    host: { '[attr.minlength]': 'minlength ? minlength : null' }
})
class MinLengthValidator implements Validator, OnChanges {
  minlength: string
  ngOnChanges(changes: SimpleChanges): void
  validate(c: AbstractControl): ValidationErrors | null
  registerOnValidatorChange(fn: () => void): void
}

Selectors

[minlength][formControlName] [minlength][formControl] [minlength][ngModel]

Inputs

Description

A directive which installs the MinLengthValidator for any formControlName, formControl, or control with ngModel that also has a minlength attribute.

Members

minlength: string

ngOnChanges(changes: SimpleChanges): void

validate(c: AbstractControl): ValidationErrors | null

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