easy-going-rails/app/views/layouts/_notification.html.erb

<% if flash.count.positive? %>
  <script data-turbo-temporary>
    document.addEventListener('turbo:load',(e)=>{

      const notyf=new Notyf({ duration: 5000, position: { x: 'center', y: 'top' } })
      <% if flash.notice%> notyf.success('<%=flash.notice%>') <%end%>
      <% if flash.alert%> notyf.error('<%=flash.alert%>') <%end%>

      // useful to prevent flickering from turbo preview
      Turbo.cache.exemptPageFromPreview()

    }, {once: true})
  </script>
<%end%>