File Coverage

blib/lib/DTL/Fast/Filter/First.pm

Criterion	Covered	Total	%
statement	16	17	94.1
branch	1	2	50.0
condition	0	4	0.0
subroutine	5	5	100.0
pod	0	1	0.0
total	22	29	75.8

package DTL::Fast::Filter::First;
use strict;
use utf8;
use warnings FATAL => 'all';
use parent 'DTL::Fast::Filter';

$DTL::Fast::FILTER_HANDLERS{first} = __PACKAGE__;

#@Override
sub filter
{
    my ($self, $filter_manager, $value, $context) = @_;

    if (ref $value eq 'ARRAY')
    {
        $value = $value->[0];
    }
    else
    {
        die $self->get_render_error(
                $context,
                sprintf(
                    "first filter may be applied only to an ARRAY reference, not %s (%s)"
                    , $value // 'undef'
                    , ref $value || 'SCALAR'
                )
            );
    }

    return $value;
}

1;