shuffling code so it can be reused outside the engine

lib/merged/engine.rb

@@ -4,6 +4,7 @@ require "ruby2js/es2015"
 require "ruby2js/filter/functions"
 require "ruby2js/haml"
 require "ruby2js/filter/vue"
+require "merged/shared_helper"
 
 module Merged
   class Engine < ::Rails::Engine

lib/merged/shared_helper.rb

@@ -0,0 +1,34 @@
+require "redcarpet"
+
+module Merged
+  module SharedHelper
+
+    def renderer
+      options = {hard_wrap: true , autolink: true, no_intra_emphasis: true ,
+          safe_links_only: true, no_styles: true ,
+          link_attributes: { target: '_blank' }}
+      html = Redcarpet::Render::HTML.new(options)
+      Redcarpet::Markdown.new(html, options)
+    end
+
+    def prose_classes
+      classes  = "prose lg:prose-lg "
+      classes += "prose-headings:text-inherit "
+      { class: classes }
+    end
+
+    def markdown_image(section)
+      return "" unless section.text
+      down = self.renderer.render(section.text)
+      image = image_for(section)
+      down.gsub("IMAGE" , image).html_safe
+    end
+
+    def markdown(text)
+      text = text.text unless text.is_a?(String)
+      return "" if text.blank?
+      self.renderer.render(text).html_safe
+    end
+
+  end
+end