Function kC

resources/vega.min.js:22870–22873

(t)

    return t.parent === e.parent ? 1 : 2;
  }
  function kC(t) {
    var e = t.children;
    return e ? e[0] : t.t;
  }
  function AC(t) {
    var e = t.children;
    return e ? e[e.length - 1] : t.t;