Function wL

resources/vega.min.js:31241–31247

(t, e)

    xL = (t) => "field" === t,
    bL = (t) => "compare" === t;
  function wL(t, e) {
    return t.$ref
      ? t
      : t.data && t.data.$ref
        ? t.data
        : XN(e.getData(t.data).output);
  }
  function kL(t, e, n, r, i) {
    ((this.scope = t),
      (this.input = e),