Extract banner to a component

app/components/shared/banner_component.html.erb

@@ -0,0 +1,3 @@
+<div class="banner" style="background-color:<%= banner.background_color %>;">
+  <%= sanitize link, attributes: %w[href style] %>
+</div>

app/components/shared/banner_component.rb

@@ -0,0 +1,16 @@
+class Shared::BannerComponent < ApplicationComponent
+  attr_reader :banner
+
+  def initialize(banner)
+    @banner = banner
+  end
+
+  private
+
+    def link
+      link_to banner.target_url do
+        tag.h2(banner.title, style: "color:#{banner.font_color}") +
+          tag.h3(banner.description, style: "color:#{banner.font_color}")
+      end
+    end
+end

app/helpers/banners_helper.rb

@@ -2,11 +2,4 @@ module BannersHelper
   def has_banners?
     @banners.present? && @banners.count > 0
   end
-
-  def banner_target_link(banner)
-    link_to banner.target_url do
-      tag.h2(banner.title, style: "color:#{banner.font_color}") +
-        tag.h3(banner.description, style: "color:#{banner.font_color}")
-    end
-  end
 end

app/views/shared/_banner.html.erb

@@ -1,6 +1,5 @@
 <% if has_banners? || controller.class == Admin::BannersController %>
   <% banner ||= @banners.sample %>
-  <div class="banner" style="background-color:<%= banner.background_color %>;">
-    <%= sanitize banner_target_link(banner), attributes: %w[href style] %>
-  </div>
+
+  <%= render Shared::BannerComponent.new(banner) %>
 <% end %>