<%- navigation.each do |topic_group| -%> <%- if topic_id.start_with?(topic_group[:id]) %> | <%= topic_group[:name] %> <%- end -%> <%- if topic_group.has_key?(:topics) -%> <%= render("_templates/_title.html.erb", :navigation => topic_group[:topics], :topic_id => topic_id) %> <%- end -%> <%- end -%>