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package Plack::Middleware::Head;
use strict;
use warnings;
use parent qw(Plack::Middleware);
sub call {
my($self, $env) = @_;
return $self->app->($env)
unless $env->{REQUEST_METHOD} eq 'HEAD';
$self->response_cb($self->app->($env), sub {
my $res = shift;
if ($res->[2]) {
$res->[2] = [];
} else {
return sub {
return defined $_[0] ? '': undef;
};
}
});
}
1;
__END__
=head1 NAME
Plack::Middleware::Head - auto delete response body in HEAD requests
=head1 SYNOPSIS
enable "Head";
=head1 DESCRIPTION
This middleware deletes response body in HEAD requests.
=head1 AUTHOR
Tatsuhiko Miyagawa
=head1 SEE ALSO
Rack::Head
=cut
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