fleshing out the plugin

lib/Dancer2/Plugin/JsonApi.pm

@@ -1,5 +1,52 @@
+use 5.38.0;
+
 package Dancer2::Plugin::JsonApi;
 
+use Dancer2::Plugin::JsonApi::Registry;
+use Dancer2::Plugin;
+use Dancer2::Serializer::JsonApi;
+
+use experimental qw/ try /;
+
+has registry => (
+    plugin_keyword => 'jsonapi_registry',
+    is             => 'ro',
+    default        => sub ($self) {
+        Dancer2::Plugin::JsonApi::Registry->new( app => $self->app );
+    }
+);
+
+sub jsonapi : PluginKeyword ( $plugin, $type, $sub ) {
+
+    return sub {
+        my $result = $sub->();
+
+        return [
+            $type => $result,
+            {   vars    => $plugin->app->request->vars,
+                request => $plugin->app->request
+            }
+        ];
+    };
+}
+
+sub BUILD ( $self, @ ) {
+    my $serializer = do {
+        try { $self->app->serializer_engine } catch ($e) {
+        }
+    };
+
+    unless ($serializer) {
+        $self->app->set_serializer_engine(
+            Dancer2::Serializer::JsonApi->new );
+        $serializer = $self->app->serializer_engine;
+
+    }
+
+    $serializer->registry( $self->registry )
+      if ref $serializer eq 'Dancer2::Serializer::JsonApi';
+}
+
 1;
 
 __END__
@@ -8,7 +55,11 @@ __END__
 
 Dancer2::Plugin::JsonAPI
 
-=head1 SEE ALSO
+=head2 DESCRIPTION
+
+If the serializer is not already explicitly set, the plugin will configure it to be L<Dancer2::Serializer::JsonApi>.
+
+=head2 SEE ALSO
 
 =over
 

t/plugin.t

@@ -0,0 +1,10 @@
+use 5.38.0;
+
+use Test2::V0;
+
+use Dancer2;
+use Dancer2::Plugin::JsonApi;
+
+pass 'we compile!';
+
+done_testing;