inList

The value must be one of the given strings (strict membership via Array.includes).

Signature

NguardValidators.String.inList(...values: string[]): ValidatorFn

Parameter	Type	Description
...values	string[]	The allowed values

Reactive forms

import { FormControl } from '@angular/forms';
import { NguardValidators } from 'ng-nguard';

new FormControl('', [NguardValidators.String.inList('draft', 'published')]);

Template-driven forms

<!-- Array form -->
<input ngModel name="status" [nguardStringInList]="['draft', 'published']" />

<!-- Single value shorthand -->
<input ngModel name="status" [nguardStringInList]="'draft'" />

The directive selector is nguardStringInList (data-type prefixed; the Number counterpart is nguardNumberInList).

Error key

{ inList: true }

Notes

• Strict comparison — 5 (number) does not match '5' (string).

See also

• notInList — disallowed values
• inEnum — membership in a TypeScript enum