Make renderer configurable

lib/active_text.rb

@@ -5,6 +5,8 @@ require "nokogiri"
 module ActiveText
   extend ActiveSupport::Autoload
 
+  mattr_accessor(:renderer)
+
   autoload :Attachable
   autoload :Attachment
   autoload :Attribute

lib/active_text/attachments/trix_conversion.rb

@@ -24,7 +24,7 @@ module ActiveText
       private
         def trix_attachment_content
           if partial_path = attachable.try(:to_trix_content_attachment_partial_path)
-            ApplicationRenderer.render(partial: partial_path, object: self, as: model_name.element)
+            ActiveText.renderer.render(partial: partial_path, object: self, as: model_name.element)
           end
         end
     end

lib/active_text/content.rb

@@ -48,7 +48,7 @@ module ActiveText
     def to_html
       render_attachments do |attachment|
         attachment.node.tap do |node|
-          node.inner_html = ApplicationController.render(attachment)
+          node.inner_html = ActiveText.renderer.render(attachment)
         end
       end.to_html
     end

lib/active_text/engine.rb

@@ -30,5 +30,11 @@ module ActiveText
         helper ActiveText::TagHelper
       end
     end
+
+    initializer "active_text.config" do
+      config.after_initialize do |app|
+        ActiveText.renderer ||= ApplicationController.renderer
+      end
+    end
   end
 end