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package Catmandu::Fix::expand;
use Catmandu::Sane;
our $VERSION = '1.2024';
use Moo;
use namespace::clean;
use Catmandu::Expander ();
use Catmandu::Fix::Has;
with 'Catmandu::Fix::Inlineable';
has sep => (fix_opt => 1, default => sub {undef});
sub fix {
my ($self, $data) = @_;
if (defined(my $char = $self->sep)) {
my $new_ref = {};
for my $key (keys %$data) {
my $val = $data->{$key};
$key =~ s{$char}{\.}g;
$new_ref->{$key} = $val;
}
$data = $new_ref;
}
Catmandu::Expander->expand_hash($data);
}
1;
__END__
=pod
=head1 NAME
Catmandu::Fix::expand - convert a flat hash into nested data using the TT2 dot convention
=head1 SYNOPSIS
# collapse the data into a flat hash
collapse()
# expand again to the nested original
expand()
# optionally provide a path separator
collapse(sep: '/')
expand(sep: '/')
=head1 SEE ALSO
L<Catmandu::Fix>
=cut
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