package Catmandu::Fix::flatten;
use Catmandu::Sane;
our $VERSION = '1.0201';
use Moo;
use namespace::clean;
use Catmandu::Fix::Has;
has path => (fix_arg => 1);
with 'Catmandu::Fix::SimpleGetValue';
sub emit_value {
my ($self, $var) = @_;
"if (is_array_ref(${var})) {"
. "${var} = [map { ref \$_ eq 'ARRAY' ? \@\$_ : \$_ } \@{${var}}] "
. "while grep ref \$_ eq 'ARRAY', \@{${var}};" . "}";
}
1;
__END__
=pod
=head1 NAME
Catmandu::Fix::flatten - flatten a nested array field
=head1 SYNOPSIS
# {deep => [1, [2, 3], 4, [5, [6, 7]]]}
flatten(deep)
# {deep => [1, 2, 3, 4, 5, 6, 7]}
=head1 SEE ALSO
L<Catmandu::Fix>
=cut