code: function(e, d) {
  			selectTm && cancelAnimationFrame(selectTm);
  			if (! e.data || ! e.data.selected || ! e.data.selected.length) {
  				selectTm = requestAnimationFrame(function() {
  					self.opened() && updateOnSel();
  				});
  			} else {
  				self.opened() && updateOnSel();
  			}
  		}
docs: save selected file