Refactor conditional html attributes

app/helpers/conditional_questions_helper.rb

@@ -8,4 +8,14 @@ module ConditionalQuestionsHelper
   def display_question_key_div(page_info, question_key)
     "style='display:none;'".html_safe if conditional_questions_for_page(page_info).include?(question_key)
   end
+
+  def conditional_html_attributes(question)
+    return {} unless question["conditional_for"].present?
+
+    {
+      "data-controller": "conditional-question",
+      "data-action": "conditional-question#displayConditional",
+      "data-info": question["conditional_for"].to_json
+    }
+  end
 end

app/views/form/_radio_question.html.erb

@@ -6,14 +6,8 @@
     <% question["answer_options"].map do |key, val| %>
       <% if key.starts_with?("divider") %>
         <%= f.govuk_radio_divider %>
-      <% elsif question["conditional_for"] %>
-        <%= f.govuk_radio_button question_key, val, label: { text: val },
-            "data-controller": "conditional-question",
-            "data-action": "conditional-question#displayConditional",
-            "data-info": question["conditional_for"].to_json
-        %>
       <% else %>
-        <%= f.govuk_radio_button question_key, val, label: { text: val } %>
+        <%= f.govuk_radio_button question_key, val, label: { text: val }, **conditional_html_attributes(question) %>
       <% end %>
     <% end %>
 <% end %>