- Use
button_tag(submit_tagdoes not work) - https://stackoverflow.com/questions/37377691/adding-icon-in-data-loading-text-in-rails-submit-tag
= button_tag "Import CSV", { class: "btn btn-primary btn-sm", "data-disable-with" => "<i class='fa fa-circle-o-notch fa-spin'></i> Importing".html_safe }.merge(submit_options) = link_to "Activate", activate_pulse_feed_path(feed.id),