Function e

resources/vega.min.js:13–15

(t, e, n)

})(this, function (t) {
  "use strict";
  function e(t, e, n) {
    return ((t.fields = e || []), (t.fname = n), t);
  }
  function n(t) {
    return null == t ? null : t.fname;
  }