Add action confirmation dialog

app/helpers/application_helper.rb

@@ -87,6 +87,9 @@ module ApplicationHelper
 
     name = svg_tag("pictograms/#{image}") + name if image
     html_options[:class] = class_names(html_options[:class], "button", active: current == :active)
+    if html_options[:confirm]
+      html_options[:onclick] = "return confirm('#{html_options.delete(:confirm)}');"
+    end
 
     send "#{type}_to", name, options, html_options
   end

app/views/users/registrations/edit.html.erb

@@ -6,7 +6,7 @@
   <div class="right">
     <%# TODO: make confirm dialog work %>
     <%= image_button_to t(".delete"), "account-remove-outline", user_registration_path,
-      class: "dangerous", method: :delete, data: {confirm: t(".confirm_delete")} %>
+      class: "dangerous", method: :delete, confirm: t(".confirm_delete") %>
   </div>
 <% end %>