ValidationResult<T, E extends ValidationError> extension

Extensions to facilitate manipulating validation results.

on

• Either<List<E>, T>

Properties

firstError → E?

Gets the first error according to the composition sequence used creating of calling validation result

no setter

Methods

errorsGroupedBy<K>(Selector<E, K> tagSelector) → Map<K, List<E>>

Returns a map of grouped validation errors keyed by a formfield type.

singleErrorsBy<K>(Selector<E, K> tagSelector) → Map<K, String>

Returns a map of formfield, error key value pairs.