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fix(forms): fix Validators.min/maxLength with FormArray (#13095)

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Fixes #13089
This commit is contained in:
Dzmitry Shylovich
2016-12-12 22:17:12 +03:00
committed by Victor Berchet
parent 2e500cc85b
commit e9f307f948
3 changed files with 27 additions and 7 deletions
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modules/@angular/forms/src/validators.ts
+2 -2
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@@ -72,7 +72,7 @@ export class Validators {
if (isEmptyInputValue(control.value)) {
return null; // don't validate empty values to allow optional controls
}
const length = typeof control.value === 'string' ? control.value.length : 0;
const length: number = control.value ? control.value.length : 0;
return length < minLength ?
{'minlength': {'requiredLength': minLength, 'actualLength': length}} :
null;
@@ -84,7 +84,7 @@ export class Validators {
*/
static maxLength(maxLength: number): ValidatorFn {
return (control: AbstractControl): {[key: string]: any} => {
const length = typeof control.value === 'string' ? control.value.length : 0;
const length: number = control.value ? control.value.length : 0;
return length > maxLength ?
{'maxlength': {'requiredLength': maxLength, 'actualLength': length}} :
null;