Function St

resources/vega.min.js:529–531

(t, e)

  }
  const Ft = (t) => (yt(t) || gt(t) ? t : Date.parse(t));
  function St(t, e) {
    return ((e = e || Ft), null == t || "" === t ? null : e(t));
  }
  function $t(t) {
    return null == t || "" === t ? null : t + "";
  }