Yet Another CPAN Grep

Prancer-Plugin-Xslate ( P/PL/PLOCKABY/Prancer-Plugin-Xslate-1.06.tar.gz, PLOCKABY, 2015; MetaCPAN )

Prancer-Plugin-Xslate/lib/Prancer/Plugin/Xslate.pm ( view source; MetaCPAN )

ncer::Plugin::Xslate->load({
        'function' => {
            'encode_json' => sub {
                return JSON::encode_json(@_);
            }
        }
    });

The second way is to the optional