Function qa

resources/vega.min.js:3703–3711

(t, e)

    return (zt(t, e, (t) => n.push(t)), n);
  }
  function qa(t, e) {
    const n = {};
    return (
      t.visit(e, (t) => {
        n[ma(t)] = 1;
      }),
      (t) => (n[ma(t)] ? null : t)
    );
  }
  function Pa(t, e) {
    return t ? (n, r) => t(n, r) && e(n, r) : e;
  }