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@angular/forms

CheckboxRequiredValidator

directive

A Directive that adds the required validator to checkbox controls marked with the required attribute. The directive is provided with the NG_VALIDATORS multi-provider list.

  
    class CheckboxRequiredValidator extends RequiredValidator {}

required

string | boolean

Tracks changes to the required attribute bound to this directive.

enabled

boolean
@paraminputboolean
@returnsboolean

ngOnChanges

void
@paramchangesSimpleChanges
@returnsvoid

validate

@paramcontrolAbstractControl<any, any>
@returnsValidationErrors | null

registerOnValidatorChange

void
@paramfn() => void
@returnsvoid
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