isValidatableField
isValidatableField(
w):w is ValidatableField
Defined in: src/widgets/controls/validation.ts:130
Type guard: true when a widget participates in form validation (carries a FieldValidation). Lets the form/error/summary widgets recognize fields without importing every control class. Defined here, beside the contract it tests, so the duck-type lives in one place.
Parameters
Section titled “Parameters”Returns
Section titled “Returns”w is ValidatableField