Function Y

src/views/js/sortable.js:306–314

(t, e)

    return null;
  }
  function Y(t, e) {
    for (
      var n = t.lastElementChild;
      n && (n === Bt.ghost || "none" === P(n, "display") || (e && !p(n, e)));

    )
      n = n.previousElementSibling;
    return n || null;
  }
  function B(t, e) {
    var n = 0;
    if (!t || !t.parentNode) return -1;