CPAN::Groonga

to write a custom formatter, in our
case a JSONL formatter.

=head1 DESCRIPTION

This tutorial explains a minimal formatter that outputs each event as a json
string on its own line. A true formatter w

    package Test2::Formatter::MyFormatter;
    use strict;
    use warnings;

    use JSON::MaybeXS qw/encode_json/;

    use base qw/Test2::Formatter/;

    sub new { bless {}, shift }

    sub encod

ite {
        my ($self, $e, $num, $f) = @_;
        $f ||= $e->facet_data;

        print encode_json($f), "\n";
    }

    1;

=head1 LINE BY LINE

=over 4

=item use base qw/Test2::Formatter/;

All