Function _toPropertyKey

modular/sortable.complete.esm.js:92–95

(t)

  return ("string" === r ? String : Number)(t);
}
function _toPropertyKey(t) {
  var i = _toPrimitive(t, "string");
  return "symbol" == typeof i ? i : i + "";
}
function _typeof(o) {
  "@babel/helpers - typeof";