summaryMessage method
Implementation
summaryMessage([List<String> exceptFields = const []]) {
if (showSummary(exceptFields)) {
// Return first field error that's not visible
var fieldSet = exceptFields.map((x) => x.toLowerCase()).toList();
var fieldError = fieldSet
.firstWhereOrNull((x) => fieldSet.indexOf(x.toLowerCase()) == -1);
return fieldError ?? errorMessage;
}
}