MinLengthValidator
directive
A directive that adds minimum length validation to controls marked with the
minlength
attribute. The directive is provided with the NG_VALIDATORS
multi-provider list.
API
Description
Usage Notes
class MinLengthValidator extends AbstractValidatorDirective {}
minlength
string | number | null
Tracks changes to the minimum length bound to this directive.
ngOnChanges
void
@returns
void
validate
ValidationErrors | null
@returns
ValidationErrors | null
registerOnValidatorChange
void
@paramfn
() => void
@returns
void
enabled
boolean
Determines whether this validator should be active or not based on an input.
Base class implementation checks whether an input is defined (if the value is different from
null
and undefined
). Validator classes that extend this base class can override this
function with the logic specific to a particular validator directive.
@paraminput
unknown
@returns
boolean
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