package Catmandu::Fix::join_field;
use Catmandu::Sane;
use Catmandu::Util qw(:is :data);
use Moo;
has path => (is => 'ro', required => 1);
has key => (is => 'ro', required => 1);
has join_char => (is => 'ro', required => 1);
around BUILDARGS => sub {
my ($orig, $class, $path, $join_char) = @_;
my ($p, $key) = parse_data_path($path);
$orig->($class, path => $p, key => $key, join_char => $join_char // '');
};
sub fix {
my ($self, $data) = @_;
my $key = $self->key;
my $join_char = $self->join_char;
for my $match (grep ref, data_at($self->path, $data)) {
set_data($match, $key,
map { is_array_ref($_) ? join($join_char, @$_) : $_ }
get_data($match, $key));
}
$data;
}
=head1 NAME
Catmandu::Fix::join_field - join the ARRAY values of a field into a string
=head1 SYNOPSIS
# Join the array values of a field into a string. E.g. foo => [1,2,3]
join_field('foo','/'); # foo => "1/2/3"
=head1 SEE ALSO
L<Catmandu::Fix>
=cut
1;