File Coverage

blib/lib/Dancer2/Template/Handlebars.pm

Criterion	Covered	Total	%
statement	32	33	96.9
branch	5	6	83.3
condition			n/a
subroutine	9	10	90.0
pod	0	1	0.0
total	46	50	92.0

package Dancer2::Template::Handlebars 0.3;

# ABSTRACT: Dancer2 wrapper for Handlebars templating engine

use strict;
use warnings;

use Text::Handlebars;
use Module::Runtime qw/ use_module /;

use Moo;
use Try::Tiny;
with 'Dancer2::Core::Role::Template';

has '+default_tmpl_ext' => ( default => sub { 'hbs' }, );

has helpers => (
    is      => 'ro',
    lazy    => 1,
    builder => '_build_helpers',
);

has _engine => (
    is      => 'ro',
    lazy    => 1,
    default => sub {
        my $self = shift;
        return Text::Handlebars->new( helpers => $self->helpers, );
    },
);

has _config => (
    is      => 'ro',
    lazy    => 1,
    default => sub {
        return $_[0]->settings->{engines}->{handlebars} || {};
    }
);

sub _build_helpers {
    my $self = shift;

    my %helpers;

    if ( my $h = $self->_config->{helpers} ) {
        for my $module ( ref $h ? @$h : $h ) {
            my %h = try {
                use_module($module)->HANDLEBARS_HELPERS
            }
            catch {
                die "couldn't import helper functions from $module: $_";
            };

            @helpers{ keys %h } = values %h;
        }
    }

    return \%helpers;
}

sub render {
    my ( $self, $template, $tokens ) = @_;

    my $method = 'render';

    if ( ref $template ) {    # it's a ref to a string
        $template = $$template;
        $method .= '_string';
    }

    return $self->_engine->$method( $template, $tokens );
}

1;

__END__