1 files changed, 52 insertions, 0 deletions
diff --git a/lib/sidebars/projects/menus/external_wiki_menu.rb b/lib/sidebars/projects/menus/external_wiki_menu.rb
new file mode 100644
index 00000000000..825f0ca5e8b
--- /dev/null
+++ b/lib/sidebars/projects/menus/external_wiki_menu.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+module Sidebars
+  module Projects
+    module Menus
+      class ExternalWikiMenu < ::Sidebars::Menu
+        override :link
+        def link
+          external_wiki.external_wiki_url
+        end
+
+        override :extra_container_html_options
+        def extra_container_html_options
+          {
+            target: '_blank',
+            rel: 'noopener noreferrer',
+            class: 'shortcuts-external_wiki'
+          }
+        end
+
+        override :extra_collapsed_container_html_options
+        def extra_collapsed_container_html_options
+          {
+            target: '_blank',
+            rel: 'noopener noreferrer'
+          }
+        end
+
+        override :title
+        def title
+          s_('ExternalWikiService|External wiki')
+        end
+
+        override :sprite_icon
+        def sprite_icon
+          'external-link'
+        end
+
+        override :render?
+        def render?
+          external_wiki.present?
+        end
+
+        private
+
+        def external_wiki
+          @external_wiki ||= context.project.external_wiki
+        end
+      end
+    end
+  end
+end