validation library

Classes

DraftModeTypedValidator<T>: Validator wrapper that carries stable metadata alongside the callable.

DraftModeValidatorType: Known validator families supported by DraftMode validation contracts.

lookupTypedValidator<T>(DraftModeValidator<T> validator) → DraftModeTypedValidator<T>?
vAfter(dynamic compare) → DraftModeValidator<DateTime>: Returns a validator that requires DateTime values to be after compare.
vAfterOrEqual(dynamic compare) → DraftModeValidator<DateTime>: Returns a validator that requires DateTime values to be after or equal to compare.
vGreaterThan<T>(dynamic compare) → DraftModeValidator<T>: Returns a validator that requires values to be greater than compare.
vMaxLen(int length) → DraftModeValidator<String>: Returns a validator that rejects strings longer than length.
vRequired<T>() → DraftModeValidator<T>: Returns a validator that rejects null and blank string values.
vRequiredOn<T>(dynamic compareAttribute) → DraftModeValidator<T>: Returns a validator that requires a value when compareAttribute is true.

DraftModeValidator<T> = DraftModeValidationIssue? Function(DraftModeValidationValueContext? context, T? value): Signature for validators used by field definitions and form attributes.