Function U

resources/vega-lite.min.js:189–193

()

    return e ? t.splitAccessPath(e).length : 0;
  }
  function U() {
    for (var e = arguments.length, t = new Array(e), n = 0; n < e; n++)
      t[n] = arguments[n];
    return t.find((e) => void 0 !== e);
  }
  let W = 42;
  function I(e) {
    const t = ++W;