text: (function ($) {
      if (typeof ajaxurl === "undefined") {
          ajaxurl = wpmfimport.vars.ajaxurl;
      }
  
      $(document).ready(function () {
          /**
           * Import size and filetype
           * @param page
           */
          var wpmfimport_meta_size = function (page) {
              var $this = jQuery('#wmpfImportsize');
              $this.find(".spinner").show().css({"visibility": "visible"});
              /* Ajax import */
              jQuery.ajax({
                  type: 'POST',
                  url: ajaxurl,
                  data: {
                      action: "wpmf_import_size_filetype",
                      wpmf_current_page: page,
                      wpmf_nonce: wpmfimport.vars.wpmf_nonce
                  },
                  success: function (res) {
                      if (res.status) {
                          if (res.continue) {
                              wpmfimport_meta_size(parseInt(page) + 1)
                          } else {
                              $this.closest("div#wpmf_error").hide();
                          }
                      }
                  }
              });
          };
  
          $('#wmpfImportsize').on('click', function () {
              wpmfimport_meta_size(0);
          });
      });
  }(jQuery));