isHackerNewsUserUrl method
FieldValidator<String?, String>
isHackerNewsUserUrl({
- MessageCallBack<
String> ? message, - String? id,
Check string is hacker news user url
Implementation
FieldValidator<String?, String> isHackerNewsUserUrl({
MessageCallBack<String>? message,
String? id,
}) {
return next((messages, value) {
if (!value.isHackerNewsUserUrl(id: id)) {
return message?.call(messages, value) ??
messages.invalidHackerNewsUserUrl(id ?? 'empty');
}
return null;
});
}