package Catmandu::Fix::retain_field;
use Catmandu::Sane;
our $VERSION = '1.0603';
use Moo;
use namespace::clean;
use Catmandu::Fix::Has;
with 'Catmandu::Fix::Base';
has path => (fix_arg => 1);
sub emit {
my ($self, $fixer) = @_;
my $path = $fixer->split_path($self->path);
my $key = pop @$path;
$fixer->emit_walk_path(
$fixer->var,
$path,
sub {
my $var = shift;
$fixer->emit_retain_key($var, $key);
}
);
}
1;
__END__
=pod
=head1 NAME
Catmandu::Fix::retain_field - delete everything from a field except
=head1 DEPRECIATION NOTICE
This fix is deprecated, Please use L<Catmandu::Fix::retain> instead.
=head1 SYNOPSIS
# Delete every key from foo except bar
retain_field(foo.bar)
=head1 SEE ALSO
L<Catmandu::Fix>
=cut