Function Lz

resources/vega.min.js:29609–29614

(t, e)

      : s("Unrecognized signal name: " + Dt(e));
  }
  function Lz(t, e) {
    const n = (t._targets || []).filter(
      (t) => t._update && t._update.handler === e,
    );
    return n.length ? n[0] : null;
  }
  function Uz(t, e, n, r) {
    let i = Lz(n, r);
    return (