validateIssue method
Returns the first validation issue for value in context, if any.
Implementation
DraftModeValidationIssue? validateIssue(
DraftModeValidationValueContext? context,
T? value,
) {
final primary = validator?.call(context, value);
if (primary != null) {
return primary;
}
for (final next in validators) {
final result = next(context, value);
if (result != null) {
return result;
}
}
return null;
}