Replaces input type="submit" form elements with button

button.rb

module ActionView
  module Helpers
    def submit_tag(value = "Save changes", options = {})
      options.stringify_keys!

      if disable_with = options.delete("disable_with")
        options["data-disable-with"] = disable_with
      end

      if confirm = options.delete("confirm")
        options["data-confirm"] = confirm
      end

      content_tag :button, value, { "type" => "submit", "name" => "commit"}.update(options.stringify_keys)
    end
  end
end