<% new_document_link = link_to t("documents.form.add_new_document"), new_nested_documents_path(documentable_type: params[:documentable_type], index: params[:index].to_i + 1), remote: true, id: "new_document_link", class: "button hollow" %> App.Documentable.new("<%= j render('documents/nested_fields', document: @document, index: params[:index]) %>") App.Documentable.updateNewDocumentButton("<%= j new_document_link %>")