Active class versions

1 files changed, 33 insertions, 0 deletions

diff --git a/lib/helpers/versions.rb b/lib/helpers/versions.rb
new file mode 100644
index 00000000..7fede237
--- /dev/null
+++ b/lib/helpers/versions.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module Nanoc::Helpers
+  module VersionsDropdown
+
+    #
+    # Set the active class based on CI_COMMIT_REF_NAME and exclude if on
+    # the archives page, otherwise we would end up with two active links.
+    #
+    def active_dropdown(selection)
+      if archives?
+        active_class if selection == 'archives'
+      else
+        active_class if selection == ENV['CI_COMMIT_REF_NAME']
+      end
+    end
+
+    #
+    # Check if we are on the /archives page
+    #
+    def archives?
+      @item.identifier.to_s.split('/')[1] == 'archives'
+    end
+
+    #
+    # Define the active CSS class
+    #
+    def active_class
+      %( class="active")
+    end
+
+  end
+end