lib/social_share_button/helper.rb in social-share-button-0.1.1 vs lib/social_share_button/helper.rb in social-share-button-0.1.2

@@ -1,19 +1,22 @@
 # coding: utf-8
 module SocialShareButton
   module Helper
     def social_share_button_tag(title = "", opts = {})
+      extra_data = {}
       rel = opts[:rel]
       html = []
       html << "<div class='social-share-button' data-title='#{title}' data-img='#{opts[:image]}' data-url='#{opts[:url]}'>"
       
       SocialShareButton.config.allow_sites.each do |name|
+        extra_data = opts.select { |k, _| k.to_s.start_with?('data') } if name.eql?('tumblr')
+
         link_title = t "social_share_button.share_to", :name => t("social_share_button.#{name.downcase}")
-        html << link_to("","#", :rel => "nofollow #{rel}", 
-                        "data-site" => name, 
-                        :class => "social-share-button-#{name}", 
-                        :onclick => "return SocialShareButton.share(this);",
-                        :title => h(link_title))
+        html << link_to("","#", {:rel => ["nofollow", rel],
+                                  "data-site" => name,
+                                  :class => "social-share-button-#{name}",
+                                  :onclick => "return SocialShareButton.share(this);",
+                                  :title => h(link_title)}.merge(extra_data))
       end
       html << "</div>"
       raw html.join("\n")
     end
   end