Function WE

resources/vega.min.js:21219–21223

(t, e)

    return t.index;
  }
  function WE(t, e) {
    var n = t.get(e);
    if (!n) throw new Error("node not found: " + e);
    return n;
  }
  ((LE.copy = function () {
    var t,
      e,