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use strict;
package HTML::FormFu::Constraint::JSON;
# ABSTRACT: Valid JSON string
$HTML::FormFu::Constraint::JSON::VERSION = '2.07';
use JSON::MaybeXS qw( decode_json );
use Moose;
extends 'HTML::FormFu::Constraint';
sub constrain_value {
my ( $self, $value ) = @_;
return 1 if !defined $value || $value eq '';
my $ok = decode_json($value);
return $self->not ? !$ok : $ok;
}
__PACKAGE__->meta->make_immutable;
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
HTML::FormFu::Constraint::JSON - Valid JSON string
=head1 VERSION
version 2.07
=head1 DESCRIPTION
Checks for valid JSON string
=head1 SEE ALSO
Is a sub-class of, and inherits methods from L<HTML::FormFu::Constraint>
L<HTML::FormFu>
=head1 AUTHOR
Carl Franks C<cfranks@cpan.org>
=head1 LICENSE
This library is free software, you can redistribute it and/or modify it under
the same terms as Perl itself.
=head1 AUTHOR
Carl Franks <cpan@fireartist.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2018 by Carl Franks.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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