markdown-flow-ui/dist/layout-VtjyAaGP.mjs

A React UI library for rendering markdown with interactive flow components, typewriter effects, and plugin support

import { G as g } from "./graph-CTpbA7wW.mjs";
import { b as Te, p as ce, q as le, g as z, e as ee, l as j, o as Ie, s as Me, c as Se, u as Fe, d as f, i as m, f as _, v as x, r as M } from "./_baseUniq-l1t_n-IG.mjs";
import { f as O, b as he, a as je, c as Ve, d as Ae, t as V, m as w, e as P, h as ve, g as X, l as T, i as Be } from "./_basePickBy-ChFwRGMQ.mjs";
import { b7 as Ge, b8 as Ye, b9 as De, aS as qe, ba as We, aW as pe, aV as we, bb as $e, aR as q, aA as ze, aY as Xe, aC as Ue, bc as W } from "./index-pooOtYuy.mjs";
function He(e) {
  return Ge(Ye(e, void 0, O), e + "");
}
var Je = 1, Ze = 4;
function Ke(e) {
  return Te(e, Je | Ze);
}
function Qe(e, n) {
  return e == null ? e : De(e, ce(n), qe);
}
function en(e, n) {
  return e && le(e, ce(n));
}
function nn(e, n) {
  return e > n;
}
function S(e, n) {
  var r = {};
  return n = z(n), le(e, function(t, a, i) {
    We(r, a, n(t, a, i));
  }), r;
}
function y(e) {
  return e && e.length ? he(e, pe, nn) : void 0;
}
function U(e, n) {
  return e && e.length ? he(e, z(n), je) : void 0;
}
function rn(e, n) {
  var r = e.length;
  for (e.sort(n); r--; )
    e[r] = e[r].value;
  return e;
}
function tn(e, n) {
  if (e !== n) {
    var r = e !== void 0, t = e === null, a = e === e, i = ee(e), o = n !== void 0, u = n === null, d = n === n, s = ee(n);
    if (!u && !s && !i && e > n || i && o && d && !u && !s || t && o && d || !r && d || !a)
      return 1;
    if (!t && !i && !s && e < n || s && r && a && !t && !i || u && r && a || !o && a || !d)
      return -1;
  }
  return 0;
}
function an(e, n, r) {
  for (var t = -1, a = e.criteria, i = n.criteria, o = a.length, u = r.length; ++t < o; ) {
    var d = tn(a[t], i[t]);
    if (d) {
      if (t >= u)
        return d;
      var s = r[t];
      return d * (s == "desc" ? -1 : 1);
    }
  }
  return e.index - n.index;
}
function on(e, n, r) {
  n.length ? n = j(n, function(i) {
    return we(i) ? function(o) {
      return Ie(o, i.length === 1 ? i[0] : i);
    } : i;
  }) : n = [pe];
  var t = -1;
  n = j(n, $e(z));
  var a = Ve(e, function(i, o, u) {
    var d = j(n, function(s) {
      return s(i);
    });
    return { criteria: d, index: ++t, value: i };
  });
  return rn(a, function(i, o) {
    return an(i, o, r);
  });
}
function un(e, n) {
  return Ae(e, n, function(r, t) {
    return Me(e, t);
  });
}
var I = He(function(e, n) {
  return e == null ? {} : un(e, n);
}), dn = Math.ceil, sn = Math.max;
function fn(e, n, r, t) {
  for (var a = -1, i = sn(dn((n - e) / (r || 1)), 0), o = Array(i); i--; )
    o[++a] = e, e += r;
  return o;
}
function cn(e) {
  return function(n, r, t) {
    return t && typeof t != "number" && q(n, r, t) && (r = t = void 0), n = V(n), r === void 0 ? (r = n, n = 0) : r = V(r), t = t === void 0 ? n < r ? 1 : -1 : V(t), fn(n, r, t);
  };
}
var E = cn(), R = ze(function(e, n) {
  if (e == null)
    return [];
  var r = n.length;
  return r > 1 && q(e, n[0], n[1]) ? n = [] : r > 2 && q(n[0], n[1], n[2]) && (n = [n[0]]), on(e, Se(n), []);
}), ln = 0;
function H(e) {
  var n = ++ln;
  return Fe(e) + n;
}
function hn(e, n, r) {
  for (var t = -1, a = e.length, i = n.length, o = {}; ++t < a; ) {
    var u = t < i ? n[t] : void 0;
    r(o, e[t], u);
  }
  return o;
}
function vn(e, n) {
  return hn(e || [], n || [], Xe);
}
class pn {
  constructor() {
    var n = {};
    n._next = n._prev = n, this._sentinel = n;
  }
  dequeue() {
    var n = this._sentinel, r = n._prev;
    if (r !== n)
      return ne(r), r;
  }
  enqueue(n) {
    var r = this._sentinel;
    n._prev && n._next && ne(n), n._next = r._next, r._next._prev = n, r._next = n, n._prev = r;
  }
  toString() {
    for (var n = [], r = this._sentinel, t = r._prev; t !== r; )
      n.push(JSON.stringify(t, wn)), t = t._prev;
    return "[" + n.join(", ") + "]";
  }
}
function ne(e) {
  e._prev._next = e._next, e._next._prev = e._prev, delete e._next, delete e._prev;
}
function wn(e, n) {
  if (e !== "_next" && e !== "_prev")
    return n;
}
var bn = Ue(1);
function mn(e, n) {
  if (e.nodeCount() <= 1)
    return [];
  var r = yn(e, n || bn), t = gn(r.graph, r.buckets, r.zeroIdx);
  return O(
    w(t, function(a) {
      return e.outEdges(a.v, a.w);
    })
  );
}
function gn(e, n, r) {
  for (var t = [], a = n[n.length - 1], i = n[0], o; e.nodeCount(); ) {
    for (; o = i.dequeue(); )
      A(e, n, r, o);
    for (; o = a.dequeue(); )
      A(e, n, r, o);
    if (e.nodeCount()) {
      for (var u = n.length - 2; u > 0; --u)
        if (o = n[u].dequeue(), o) {
          t = t.concat(A(e, n, r, o, !0));
          break;
        }
    }
  }
  return t;
}
function A(e, n, r, t, a) {
  var i = a ? [] : void 0;
  return f(e.inEdges(t.v), function(o) {
    var u = e.edge(o), d = e.node(o.v);
    a && i.push({ v: o.v, w: o.w }), d.out -= u, $(n, r, d);
  }), f(e.outEdges(t.v), function(o) {
    var u = e.edge(o), d = o.w, s = e.node(d);
    s.in -= u, $(n, r, s);
  }), e.removeNode(t.v), i;
}
function yn(e, n) {
  var r = new g(), t = 0, a = 0;
  f(e.nodes(), function(u) {
    r.setNode(u, { v: u, in: 0, out: 0 });
  }), f(e.edges(), function(u) {
    var d = r.edge(u.v, u.w) || 0, s = n(u), c = d + s;
    r.setEdge(u.v, u.w, c), a = Math.max(a, r.node(u.v).out += s), t = Math.max(t, r.node(u.w).in += s);
  });
  var i = E(a + t + 3).map(function() {
    return new pn();
  }), o = t + 1;
  return f(r.nodes(), function(u) {
    $(i, o, r.node(u));
  }), { graph: r, buckets: i, zeroIdx: o };
}
function $(e, n, r) {
  r.out ? r.in ? e[r.out - r.in + n].enqueue(r) : e[e.length - 1].enqueue(r) : e[0].enqueue(r);
}
function kn(e) {
  var n = e.graph().acyclicer === "greedy" ? mn(e, r(e)) : xn(e);
  f(n, function(t) {
    var a = e.edge(t);
    e.removeEdge(t), a.forwardName = t.name, a.reversed = !0, e.setEdge(t.w, t.v, a, H("rev"));
  });
  function r(t) {
    return function(a) {
      return t.edge(a).weight;
    };
  }
}
function xn(e) {
  var n = [], r = {}, t = {};
  function a(i) {
    Object.prototype.hasOwnProperty.call(t, i) || (t[i] = !0, r[i] = !0, f(e.outEdges(i), function(o) {
      Object.prototype.hasOwnProperty.call(r, o.w) ? n.push(o) : a(o.w);
    }), delete r[i]);
  }
  return f(e.nodes(), a), n;
}
function En(e) {
  f(e.edges(), function(n) {
    var r = e.edge(n);
    if (r.reversed) {
      e.removeEdge(n);
      var t = r.forwardName;
      delete r.reversed, delete r.forwardName, e.setEdge(n.w, n.v, r, t);
    }
  });
}
function L(e, n, r, t) {
  var a;
  do
    a = H(t);
  while (e.hasNode(a));
  return r.dummy = n, e.setNode(a, r), a;
}
function On(e) {
  var n = new g().setGraph(e.graph());
  return f(e.nodes(), function(r) {
    n.setNode(r, e.node(r));
  }), f(e.edges(), function(r) {
    var t = n.edge(r.v, r.w) || { weight: 0, minlen: 1 }, a = e.edge(r);
    n.setEdge(r.v, r.w, {
      weight: t.weight + a.weight,
      minlen: Math.max(t.minlen, a.minlen)
    });
  }), n;
}
function be(e) {
  var n = new g({ multigraph: e.isMultigraph() }).setGraph(e.graph());
  return f(e.nodes(), function(r) {
    e.children(r).length || n.setNode(r, e.node(r));
  }), f(e.edges(), function(r) {
    n.setEdge(r, e.edge(r));
  }), n;
}
function re(e, n) {
  var r = e.x, t = e.y, a = n.x - r, i = n.y - t, o = e.width / 2, u = e.height / 2;
  if (!a && !i)
    throw new Error("Not possible to find intersection inside of the rectangle");
  var d, s;
  return Math.abs(i) * o > Math.abs(a) * u ? (i < 0 && (u = -u), d = u * a / i, s = u) : (a < 0 && (o = -o), d = o, s = o * i / a), { x: r + d, y: t + s };
}
function F(e) {
  var n = w(E(me(e) + 1), function() {
    return [];
  });
  return f(e.nodes(), function(r) {
    var t = e.node(r), a = t.rank;
    m(a) || (n[a][t.order] = r);
  }), n;
}
function Ln(e) {
  var n = P(
    w(e.nodes(), function(r) {
      return e.node(r).rank;
    })
  );
  f(e.nodes(), function(r) {
    var t = e.node(r);
    ve(t, "rank") && (t.rank -= n);
  });
}
function Nn(e) {
  var n = P(
    w(e.nodes(), function(i) {
      return e.node(i).rank;
    })
  ), r = [];
  f(e.nodes(), function(i) {
    var o = e.node(i).rank - n;
    r[o] || (r[o] = []), r[o].push(i);
  });
  var t = 0, a = e.graph().nodeRankFactor;
  f(r, function(i, o) {
    m(i) && o % a !== 0 ? --t : t && f(i, function(u) {
      e.node(u).rank += t;
    });
  });
}
function te(e, n, r, t) {
  var a = {
    width: 0,
    height: 0
  };
  return arguments.length >= 4 && (a.rank = r, a.order = t), L(e, "border", a, n);
}
function me(e) {
  return y(
    w(e.nodes(), function(n) {
      var r = e.node(n).rank;
      if (!m(r))
        return r;
    })
  );
}
function Pn(e, n) {
  var r = { lhs: [], rhs: [] };
  return f(e, function(t) {
    n(t) ? r.lhs.push(t) : r.rhs.push(t);
  }), r;
}
function Cn(e, n) {
  return n();
}
function _n(e) {
  function n(r) {
    var t = e.children(r), a = e.node(r);
    if (t.length && f(t, n), Object.prototype.hasOwnProperty.call(a, "minRank")) {
      a.borderLeft = [], a.borderRight = [];
      for (var i = a.minRank, o = a.maxRank + 1; i < o; ++i)
        ae(e, "borderLeft", "_bl", r, a, i), ae(e, "borderRight", "_br", r, a, i);
    }
  }
  f(e.children(), n);
}
function ae(e, n, r, t, a, i) {
  var o = { width: 0, height: 0, rank: i, borderType: n }, u = a[n][i - 1], d = L(e, "border", o, r);
  a[n][i] = d, e.setParent(d, t), u && e.setEdge(u, d, { weight: 1 });
}
function Rn(e) {
  var n = e.graph().rankdir.toLowerCase();
  (n === "lr" || n === "rl") && ge(e);
}
function Tn(e) {
  var n = e.graph().rankdir.toLowerCase();
  (n === "bt" || n === "rl") && In(e), (n === "lr" || n === "rl") && (Mn(e), ge(e));
}
function ge(e) {
  f(e.nodes(), function(n) {
    ie(e.node(n));
  }), f(e.edges(), function(n) {
    ie(e.edge(n));
  });
}
function ie(e) {
  var n = e.width;
  e.width = e.height, e.height = n;
}
function In(e) {
  f(e.nodes(), function(n) {
    B(e.node(n));
  }), f(e.edges(), function(n) {
    var r = e.edge(n);
    f(r.points, B), Object.prototype.hasOwnProperty.call(r, "y") && B(r);
  });
}
function B(e) {
  e.y = -e.y;
}
function Mn(e) {
  f(e.nodes(), function(n) {
    G(e.node(n));
  }), f(e.edges(), function(n) {
    var r = e.edge(n);
    f(r.points, G), Object.prototype.hasOwnProperty.call(r, "x") && G(r);
  });
}
function G(e) {
  var n = e.x;
  e.x = e.y, e.y = n;
}
function Sn(e) {
  e.graph().dummyChains = [], f(e.edges(), function(n) {
    Fn(e, n);
  });
}
function Fn(e, n) {
  var r = n.v, t = e.node(r).rank, a = n.w, i = e.node(a).rank, o = n.name, u = e.edge(n), d = u.labelRank;
  if (i !== t + 1) {
    e.removeEdge(n);
    var s = void 0, c, l;
    for (l = 0, ++t; t < i; ++l, ++t)
      u.points = [], s = {
        width: 0,
        height: 0,
        edgeLabel: u,
        edgeObj: n,
        rank: t
      }, c = L(e, "edge", s, "_d"), t === d && (s.width = u.width, s.height = u.height, s.dummy = "edge-label", s.labelpos = u.labelpos), e.setEdge(r, c, { weight: u.weight }, o), l === 0 && e.graph().dummyChains.push(c), r = c;
    e.setEdge(r, a, { weight: u.weight }, o);
  }
}
function jn(e) {
  f(e.graph().dummyChains, function(n) {
    var r = e.node(n), t = r.edgeLabel, a;
    for (e.setEdge(r.edgeObj, t); r.dummy; )
      a = e.successors(n)[0], e.removeNode(n), t.points.push({ x: r.x, y: r.y }), r.dummy === "edge-label" && (t.x = r.x, t.y = r.y, t.width = r.width, t.height = r.height), n = a, r = e.node(n);
  });
}
function J(e) {
  var n = {};
  function r(t) {
    var a = e.node(t);
    if (Object.prototype.hasOwnProperty.call(n, t))
      return a.rank;
    n[t] = !0;
    var i = P(
      w(e.outEdges(t), function(o) {
        return r(o.w) - e.edge(o).minlen;
      })
    );
    return (i === Number.POSITIVE_INFINITY || // return value of _.map([]) for Lodash 3
    i === void 0 || // return value of _.map([]) for Lodash 4
    i === null) && (i = 0), a.rank = i;
  }
  f(e.sources(), r);
}
function C(e, n) {
  return e.node(n.w).rank - e.node(n.v).rank - e.edge(n).minlen;
}
function ye(e) {
  var n = new g({ directed: !1 }), r = e.nodes()[0], t = e.nodeCount();
  n.setNode(r, {});
  for (var a, i; Vn(n, e) < t; )
    a = An(n, e), i = n.hasNode(a.v) ? C(e, a) : -C(e, a), Bn(n, e, i);
  return n;
}
function Vn(e, n) {
  function r(t) {
    f(n.nodeEdges(t), function(a) {
      var i = a.v, o = t === i ? a.w : i;
      !e.hasNode(o) && !C(n, a) && (e.setNode(o, {}), e.setEdge(t, o, {}), r(o));
    });
  }
  return f(e.nodes(), r), e.nodeCount();
}
function An(e, n) {
  return U(n.edges(), function(r) {
    if (e.hasNode(r.v) !== e.hasNode(r.w))
      return C(n, r);
  });
}
function Bn(e, n, r) {
  f(e.nodes(), function(t) {
    n.node(t).rank += r;
  });
}
function Gn() {
}
Gn.prototype = new Error();
function ke(e, n, r) {
  we(n) || (n = [n]);
  var t = (e.isDirected() ? e.successors : e.neighbors).bind(e), a = [], i = {};
  return f(n, function(o) {
    if (!e.hasNode(o))
      throw new Error("Graph does not have node: " + o);
    xe(e, o, r === "post", i, t, a);
  }), a;
}
function xe(e, n, r, t, a, i) {
  Object.prototype.hasOwnProperty.call(t, n) || (t[n] = !0, r || i.push(n), f(a(n), function(o) {
    xe(e, o, r, t, a, i);
  }), r && i.push(n));
}
function Yn(e, n) {
  return ke(e, n, "post");
}
function Dn(e, n) {
  return ke(e, n, "pre");
}
k.initLowLimValues = K;
k.initCutValues = Z;
k.calcCutValue = Ee;
k.leaveEdge = Le;
k.enterEdge = Ne;
k.exchangeEdges = Pe;
function k(e) {
  e = On(e), J(e);
  var n = ye(e);
  K(n), Z(n, e);
  for (var r, t; r = Le(n); )
    t = Ne(n, e, r), Pe(n, e, r, t);
}
function Z(e, n) {
  var r = Yn(e, e.nodes());
  r = r.slice(0, r.length - 1), f(r, function(t) {
    qn(e, n, t);
  });
}
function qn(e, n, r) {
  var t = e.node(r), a = t.parent;
  e.edge(r, a).cutvalue = Ee(e, n, r);
}
function Ee(e, n, r) {
  var t = e.node(r), a = t.parent, i = !0, o = n.edge(r, a), u = 0;
  return o || (i = !1, o = n.edge(a, r)), u = o.weight, f(n.nodeEdges(r), function(d) {
    var s = d.v === r, c = s ? d.w : d.v;
    if (c !== a) {
      var l = s === i, h = n.edge(d).weight;
      if (u += l ? h : -h, $n(e, r, c)) {
        var v = e.edge(r, c).cutvalue;
        u += l ? -v : v;
      }
    }
  }), u;
}
function K(e, n) {
  arguments.length < 2 && (n = e.nodes()[0]), Oe(e, {}, 1, n);
}
function Oe(e, n, r, t, a) {
  var i = r, o = e.node(t);
  return n[t] = !0, f(e.neighbors(t), function(u) {
    Object.prototype.hasOwnProperty.call(n, u) || (r = Oe(e, n, r, u, t));
  }), o.low = i, o.lim = r++, a ? o.parent = a : delete o.parent, r;
}
function Le(e) {
  return X(e.edges(), function(n) {
    return e.edge(n).cutvalue < 0;
  });
}
function Ne(e, n, r) {
  var t = r.v, a = r.w;
  n.hasEdge(t, a) || (t = r.w, a = r.v);
  var i = e.node(t), o = e.node(a), u = i, d = !1;
  i.lim > o.lim && (u = o, d = !0);
  var s = _(n.edges(), function(c) {
    return d === oe(e, e.node(c.v), u) && d !== oe(e, e.node(c.w), u);
  });
  return U(s, function(c) {
    return C(n, c);
  });
}
function Pe(e, n, r, t) {
  var a = r.v, i = r.w;
  e.removeEdge(a, i), e.setEdge(t.v, t.w, {}), K(e), Z(e, n), Wn(e, n);
}
function Wn(e, n) {
  var r = X(e.nodes(), function(a) {
    return !n.node(a).parent;
  }), t = Dn(e, r);
  t = t.slice(1), f(t, function(a) {
    var i = e.node(a).parent, o = n.edge(a, i), u = !1;
    o || (o = n.edge(i, a), u = !0), n.node(a).rank = n.node(i).rank + (u ? o.minlen : -o.minlen);
  });
}
function $n(e, n, r) {
  return e.hasEdge(n, r);
}
function oe(e, n, r) {
  return r.low <= n.lim && n.lim <= r.lim;
}
function zn(e) {
  switch (e.graph().ranker) {
    case "network-simplex":
      ue(e);
      break;
    case "tight-tree":
      Un(e);
      break;
    case "longest-path":
      Xn(e);
      break;
    default:
      ue(e);
  }
}
var Xn = J;
function Un(e) {
  J(e), ye(e);
}
function ue(e) {
  k(e);
}
function Hn(e) {
  var n = L(e, "root", {}, "_root"), r = Jn(e), t = y(x(r)) - 1, a = 2 * t + 1;
  e.graph().nestingRoot = n, f(e.edges(), function(o) {
    e.edge(o).minlen *= a;
  });
  var i = Zn(e) + 1;
  f(e.children(), function(o) {
    Ce(e, n, a, i, t, r, o);
  }), e.graph().nodeRankFactor = a;
}
function Ce(e, n, r, t, a, i, o) {
  var u = e.children(o);
  if (!u.length) {
    o !== n && e.setEdge(n, o, { weight: 0, minlen: r });
    return;
  }
  var d = te(e, "_bt"), s = te(e, "_bb"), c = e.node(o);
  e.setParent(d, o), c.borderTop = d, e.setParent(s, o), c.borderBottom = s, f(u, function(l) {
    Ce(e, n, r, t, a, i, l);
    var h = e.node(l), v = h.borderTop ? h.borderTop : l, p = h.borderBottom ? h.borderBottom : l, b = h.borderTop ? t : 2 * t, N = v !== p ? 1 : a - i[o] + 1;
    e.setEdge(d, v, {
      weight: b,
      minlen: N,
      nestingEdge: !0
    }), e.setEdge(p, s, {
      weight: b,
      minlen: N,
      nestingEdge: !0
    });
  }), e.parent(o) || e.setEdge(n, d, { weight: 0, minlen: a + i[o] });
}
function Jn(e) {
  var n = {};
  function r(t, a) {
    var i = e.children(t);
    i && i.length && f(i, function(o) {
      r(o, a + 1);
    }), n[t] = a;
  }
  return f(e.children(), function(t) {
    r(t, 1);
  }), n;
}
function Zn(e) {
  return M(
    e.edges(),
    function(n, r) {
      return n + e.edge(r).weight;
    },
    0
  );
}
function Kn(e) {
  var n = e.graph();
  e.removeNode(n.nestingRoot), delete n.nestingRoot, f(e.edges(), function(r) {
    var t = e.edge(r);
    t.nestingEdge && e.removeEdge(r);
  });
}
function Qn(e, n, r) {
  var t = {}, a;
  f(r, function(i) {
    for (var o = e.parent(i), u, d; o; ) {
      if (u = e.parent(o), u ? (d = t[u], t[u] = o) : (d = a, a = o), d && d !== o) {
        n.setEdge(d, o);
        return;
      }
      o = u;
    }
  });
}
function er(e, n, r) {
  var t = nr(e), a = new g({ compound: !0 }).setGraph({ root: t }).setDefaultNodeLabel(function(i) {
    return e.node(i);
  });
  return f(e.nodes(), function(i) {
    var o = e.node(i), u = e.parent(i);
    (o.rank === n || o.minRank <= n && n <= o.maxRank) && (a.setNode(i), a.setParent(i, u || t), f(e[r](i), function(d) {
      var s = d.v === i ? d.w : d.v, c = a.edge(s, i), l = m(c) ? 0 : c.weight;
      a.setEdge(s, i, { weight: e.edge(d).weight + l });
    }), Object.prototype.hasOwnProperty.call(o, "minRank") && a.setNode(i, {
      borderLeft: o.borderLeft[n],
      borderRight: o.borderRight[n]
    }));
  }), a;
}
function nr(e) {
  for (var n; e.hasNode(n = H("_root")); ) ;
  return n;
}
function rr(e, n) {
  for (var r = 0, t = 1; t < n.length; ++t)
    r += tr(e, n[t - 1], n[t]);
  return r;
}
function tr(e, n, r) {
  for (var t = vn(
    r,
    w(r, function(s, c) {
      return c;
    })
  ), a = O(
    w(n, function(s) {
      return R(
        w(e.outEdges(s), function(c) {
          return { pos: t[c.w], weight: e.edge(c).weight };
        }),
        "pos"
      );
    })
  ), i = 1; i < r.length; ) i <<= 1;
  var o = 2 * i - 1;
  i -= 1;
  var u = w(new Array(o), function() {
    return 0;
  }), d = 0;
  return f(
    // @ts-expect-error
    a.forEach(function(s) {
      var c = s.pos + i;
      u[c] += s.weight;
      for (var l = 0; c > 0; )
        c % 2 && (l += u[c + 1]), c = c - 1 >> 1, u[c] += s.weight;
      d += s.weight * l;
    })
  ), d;
}
function ar(e) {
  var n = {}, r = _(e.nodes(), function(u) {
    return !e.children(u).length;
  }), t = y(
    w(r, function(u) {
      return e.node(u).rank;
    })
  ), a = w(E(t + 1), function() {
    return [];
  });
  function i(u) {
    if (!ve(n, u)) {
      n[u] = !0;
      var d = e.node(u);
      a[d.rank].push(u), f(e.successors(u), i);
    }
  }
  var o = R(r, function(u) {
    return e.node(u).rank;
  });
  return f(o, i), a;
}
function ir(e, n) {
  return w(n, function(r) {
    var t = e.inEdges(r);
    if (t.length) {
      var a = M(
        t,
        function(i, o) {
          var u = e.edge(o), d = e.node(o.v);
          return {
            sum: i.sum + u.weight * d.order,
            weight: i.weight + u.weight
          };
        },
        { sum: 0, weight: 0 }
      );
      return {
        v: r,
        barycenter: a.sum / a.weight,
        weight: a.weight
      };
    } else
      return { v: r };
  });
}
function or(e, n) {
  var r = {};
  f(e, function(a, i) {
    var o = r[a.v] = {
      indegree: 0,
      in: [],
      out: [],
      vs: [a.v],
      i
    };
    m(a.barycenter) || (o.barycenter = a.barycenter, o.weight = a.weight);
  }), f(n.edges(), function(a) {
    var i = r[a.v], o = r[a.w];
    !m(i) && !m(o) && (o.indegree++, i.out.push(r[a.w]));
  });
  var t = _(r, function(a) {
    return !a.indegree;
  });
  return ur(t);
}
function ur(e) {
  var n = [];
  function r(i) {
    return function(o) {
      o.merged || (m(o.barycenter) || m(i.barycenter) || o.barycenter >= i.barycenter) && dr(i, o);
    };
  }
  function t(i) {
    return function(o) {
      o.in.push(i), --o.indegree === 0 && e.push(o);
    };
  }
  for (; e.length; ) {
    var a = e.pop();
    n.push(a), f(a.in.reverse(), r(a)), f(a.out, t(a));
  }
  return w(
    _(n, function(i) {
      return !i.merged;
    }),
    function(i) {
      return I(i, ["vs", "i", "barycenter", "weight"]);
    }
  );
}
function dr(e, n) {
  var r = 0, t = 0;
  e.weight && (r += e.barycenter * e.weight, t += e.weight), n.weight && (r += n.barycenter * n.weight, t += n.weight), e.vs = n.vs.concat(e.vs), e.barycenter = r / t, e.weight = t, e.i = Math.min(n.i, e.i), n.merged = !0;
}
function sr(e, n) {
  var r = Pn(e, function(c) {
    return Object.prototype.hasOwnProperty.call(c, "barycenter");
  }), t = r.lhs, a = R(r.rhs, function(c) {
    return -c.i;
  }), i = [], o = 0, u = 0, d = 0;
  t.sort(fr(!!n)), d = de(i, a, d), f(t, function(c) {
    d += c.vs.length, i.push(c.vs), o += c.barycenter * c.weight, u += c.weight, d = de(i, a, d);
  });
  var s = { vs: O(i) };
  return u && (s.barycenter = o / u, s.weight = u), s;
}
function de(e, n, r) {
  for (var t; n.length && (t = T(n)).i <= r; )
    n.pop(), e.push(t.vs), r++;
  return r;
}
function fr(e) {
  return function(n, r) {
    return n.barycenter < r.barycenter ? -1 : n.barycenter > r.barycenter ? 1 : e ? r.i - n.i : n.i - r.i;
  };
}
function _e(e, n, r, t) {
  var a = e.children(n), i = e.node(n), o = i ? i.borderLeft : void 0, u = i ? i.borderRight : void 0, d = {};
  o && (a = _(a, function(p) {
    return p !== o && p !== u;
  }));
  var s = ir(e, a);
  f(s, function(p) {
    if (e.children(p.v).length) {
      var b = _e(e, p.v, r, t);
      d[p.v] = b, Object.prototype.hasOwnProperty.call(b, "barycenter") && lr(p, b);
    }
  });
  var c = or(s, r);
  cr(c, d);
  var l = sr(c, t);
  if (o && (l.vs = O([o, l.vs, u]), e.predecessors(o).length)) {
    var h = e.node(e.predecessors(o)[0]), v = e.node(e.predecessors(u)[0]);
    Object.prototype.hasOwnProperty.call(l, "barycenter") || (l.barycenter = 0, l.weight = 0), l.barycenter = (l.barycenter * l.weight + h.order + v.order) / (l.weight + 2), l.weight += 2;
  }
  return l;
}
function cr(e, n) {
  f(e, function(r) {
    r.vs = O(
      r.vs.map(function(t) {
        return n[t] ? n[t].vs : t;
      })
    );
  });
}
function lr(e, n) {
  m(e.barycenter) ? (e.barycenter = n.barycenter, e.weight = n.weight) : (e.barycenter = (e.barycenter * e.weight + n.barycenter * n.weight) / (e.weight + n.weight), e.weight += n.weight);
}
function hr(e) {
  var n = me(e), r = se(e, E(1, n + 1), "inEdges"), t = se(e, E(n - 1, -1, -1), "outEdges"), a = ar(e);
  fe(e, a);
  for (var i = Number.POSITIVE_INFINITY, o, u = 0, d = 0; d < 4; ++u, ++d) {
    vr(u % 2 ? r : t, u % 4 >= 2), a = F(e);
    var s = rr(e, a);
    s < i && (d = 0, o = Ke(a), i = s);
  }
  fe(e, o);
}
function se(e, n, r) {
  return w(n, function(t) {
    return er(e, t, r);
  });
}
function vr(e, n) {
  var r = new g();
  f(e, function(t) {
    var a = t.graph().root, i = _e(t, a, r, n);
    f(i.vs, function(o, u) {
      t.node(o).order = u;
    }), Qn(t, r, i.vs);
  });
}
function fe(e, n) {
  f(n, function(r) {
    f(r, function(t, a) {
      e.node(t).order = a;
    });
  });
}
function pr(e) {
  var n = br(e);
  f(e.graph().dummyChains, function(r) {
    for (var t = e.node(r), a = t.edgeObj, i = wr(e, n, a.v, a.w), o = i.path, u = i.lca, d = 0, s = o[d], c = !0; r !== a.w; ) {
      if (t = e.node(r), c) {
        for (; (s = o[d]) !== u && e.node(s).maxRank < t.rank; )
          d++;
        s === u && (c = !1);
      }
      if (!c) {
        for (; d < o.length - 1 && e.node(s = o[d + 1]).minRank <= t.rank; )
          d++;
        s = o[d];
      }
      e.setParent(r, s), r = e.successors(r)[0];
    }
  });
}
function wr(e, n, r, t) {
  var a = [], i = [], o = Math.min(n[r].low, n[t].low), u = Math.max(n[r].lim, n[t].lim), d, s;
  d = r;
  do
    d = e.parent(d), a.push(d);
  while (d && (n[d].low > o || u > n[d].lim));
  for (s = d, d = t; (d = e.parent(d)) !== s; )
    i.push(d);
  return { path: a.concat(i.reverse()), lca: s };
}
function br(e) {
  var n = {}, r = 0;
  function t(a) {
    var i = r;
    f(e.children(a), t), n[a] = { low: i, lim: r++ };
  }
  return f(e.children(), t), n;
}
function mr(e, n) {
  var r = {};
  function t(a, i) {
    var o = 0, u = 0, d = a.length, s = T(i);
    return f(i, function(c, l) {
      var h = yr(e, c), v = h ? e.node(h).order : d;
      (h || c === s) && (f(i.slice(u, l + 1), function(p) {
        f(e.predecessors(p), function(b) {
          var N = e.node(b), Q = N.order;
          (Q < o || v < Q) && !(N.dummy && e.node(p).dummy) && Re(r, b, p);
        });
      }), u = l + 1, o = v);
    }), i;
  }
  return M(n, t), r;
}
function gr(e, n) {
  var r = {};
  function t(i, o, u, d, s) {
    var c;
    f(E(o, u), function(l) {
      c = i[l], e.node(c).dummy && f(e.predecessors(c), function(h) {
        var v = e.node(h);
        v.dummy && (v.order < d || v.order > s) && Re(r, h, c);
      });
    });
  }
  function a(i, o) {
    var u = -1, d, s = 0;
    return f(o, function(c, l) {
      if (e.node(c).dummy === "border") {
        var h = e.predecessors(c);
        h.length && (d = e.node(h[0]).order, t(o, s, l, u, d), s = l, u = d);
      }
      t(o, s, o.length, d, i.length);
    }), o;
  }
  return M(n, a), r;
}
function yr(e, n) {
  if (e.node(n).dummy)
    return X(e.predecessors(n), function(r) {
      return e.node(r).dummy;
    });
}
function Re(e, n, r) {
  if (n > r) {
    var t = n;
    n = r, r = t;
  }
  var a = e[n];
  a || (e[n] = a = {}), a[r] = !0;
}
function kr(e, n, r) {
  if (n > r) {
    var t = n;
    n = r, r = t;
  }
  return !!e[n] && Object.prototype.hasOwnProperty.call(e[n], r);
}
function xr(e, n, r, t) {
  var a = {}, i = {}, o = {};
  return f(n, function(u) {
    f(u, function(d, s) {
      a[d] = d, i[d] = d, o[d] = s;
    });
  }), f(n, function(u) {
    var d = -1;
    f(u, function(s) {
      var c = t(s);
      if (c.length) {
        c = R(c, function(b) {
          return o[b];
        });
        for (var l = (c.length - 1) / 2, h = Math.floor(l), v = Math.ceil(l); h <= v; ++h) {
          var p = c[h];
          i[s] === s && d < o[p] && !kr(r, s, p) && (i[p] = s, i[s] = a[s] = a[p], d = o[p]);
        }
      }
    });
  }), { root: a, align: i };
}
function Er(e, n, r, t, a) {
  var i = {}, o = Or(e, n, r, a), u = a ? "borderLeft" : "borderRight";
  function d(l, h) {
    for (var v = o.nodes(), p = v.pop(), b = {}; p; )
      b[p] ? l(p) : (b[p] = !0, v.push(p), v = v.concat(h(p))), p = v.pop();
  }
  function s(l) {
    i[l] = o.inEdges(l).reduce(function(h, v) {
      return Math.max(h, i[v.v] + o.edge(v));
    }, 0);
  }
  function c(l) {
    var h = o.outEdges(l).reduce(function(p, b) {
      return Math.min(p, i[b.w] - o.edge(b));
    }, Number.POSITIVE_INFINITY), v = e.node(l);
    h !== Number.POSITIVE_INFINITY && v.borderType !== u && (i[l] = Math.max(i[l], h));
  }
  return d(s, o.predecessors.bind(o)), d(c, o.successors.bind(o)), f(t, function(l) {
    i[l] = i[r[l]];
  }), i;
}
function Or(e, n, r, t) {
  var a = new g(), i = e.graph(), o = _r(i.nodesep, i.edgesep, t);
  return f(n, function(u) {
    var d;
    f(u, function(s) {
      var c = r[s];
      if (a.setNode(c), d) {
        var l = r[d], h = a.edge(l, c);
        a.setEdge(l, c, Math.max(o(e, s, d), h || 0));
      }
      d = s;
    });
  }), a;
}
function Lr(e, n) {
  return U(x(n), function(r) {
    var t = Number.NEGATIVE_INFINITY, a = Number.POSITIVE_INFINITY;
    return Qe(r, function(i, o) {
      var u = Rr(e, o) / 2;
      t = Math.max(i + u, t), a = Math.min(i - u, a);
    }), t - a;
  });
}
function Nr(e, n) {
  var r = x(n), t = P(r), a = y(r);
  f(["u", "d"], function(i) {
    f(["l", "r"], function(o) {
      var u = i + o, d = e[u], s;
      if (d !== n) {
        var c = x(d);
        s = o === "l" ? t - P(c) : a - y(c), s && (e[u] = S(d, function(l) {
          return l + s;
        }));
      }
    });
  });
}
function Pr(e, n) {
  return S(e.ul, function(r, t) {
    if (n)
      return e[n.toLowerCase()][t];
    var a = R(w(e, t));
    return (a[1] + a[2]) / 2;
  });
}
function Cr(e) {
  var n = F(e), r = W(mr(e, n), gr(e, n)), t = {}, a;
  f(["u", "d"], function(o) {
    a = o === "u" ? n : x(n).reverse(), f(["l", "r"], function(u) {
      u === "r" && (a = w(a, function(l) {
        return x(l).reverse();
      }));
      var d = (o === "u" ? e.predecessors : e.successors).bind(e), s = xr(e, a, r, d), c = Er(e, a, s.root, s.align, u === "r");
      u === "r" && (c = S(c, function(l) {
        return -l;
      })), t[o + u] = c;
    });
  });
  var i = Lr(e, t);
  return Nr(t, i), Pr(t, e.graph().align);
}
function _r(e, n, r) {
  return function(t, a, i) {
    var o = t.node(a), u = t.node(i), d = 0, s;
    if (d += o.width / 2, Object.prototype.hasOwnProperty.call(o, "labelpos"))
      switch (o.labelpos.toLowerCase()) {
        case "l":
          s = -o.width / 2;
          break;
        case "r":
          s = o.width / 2;
          break;
      }
    if (s && (d += r ? s : -s), s = 0, d += (o.dummy ? n : e) / 2, d += (u.dummy ? n : e) / 2, d += u.width / 2, Object.prototype.hasOwnProperty.call(u, "labelpos"))
      switch (u.labelpos.toLowerCase()) {
        case "l":
          s = u.width / 2;
          break;
        case "r":
          s = -u.width / 2;
          break;
      }
    return s && (d += r ? s : -s), s = 0, d;
  };
}
function Rr(e, n) {
  return e.node(n).width;
}
function Tr(e) {
  e = be(e), Ir(e), en(Cr(e), function(n, r) {
    e.node(r).x = n;
  });
}
function Ir(e) {
  var n = F(e), r = e.graph().ranksep, t = 0;
  f(n, function(a) {
    var i = y(
      w(a, function(o) {
        return e.node(o).height;
      })
    );
    f(a, function(o) {
      e.node(o).y = t + i / 2;
    }), t += i + r;
  });
}
function ot(e, n) {
  var r = Cn;
  r("layout", () => {
    var t = r("  buildLayoutGraph", () => qr(e));
    r("  runLayout", () => Mr(t, r)), r("  updateInputGraph", () => Sr(e, t));
  });
}
function Mr(e, n) {
  n("    makeSpaceForEdgeLabels", () => Wr(e)), n("    removeSelfEdges", () => Qr(e)), n("    acyclic", () => kn(e)), n("    nestingGraph.run", () => Hn(e)), n("    rank", () => zn(be(e))), n("    injectEdgeLabelProxies", () => $r(e)), n("    removeEmptyRanks", () => Nn(e)), n("    nestingGraph.cleanup", () => Kn(e)), n("    normalizeRanks", () => Ln(e)), n("    assignRankMinMax", () => zr(e)), n("    removeEdgeLabelProxies", () => Xr(e)), n("    normalize.run", () => Sn(e)), n("    parentDummyChains", () => pr(e)), n("    addBorderSegments", () => _n(e)), n("    order", () => hr(e)), n("    insertSelfEdges", () => et(e)), n("    adjustCoordinateSystem", () => Rn(e)), n("    position", () => Tr(e)), n("    positionSelfEdges", () => nt(e)), n("    removeBorderNodes", () => Kr(e)), n("    normalize.undo", () => jn(e)), n("    fixupEdgeLabelCoords", () => Jr(e)), n("    undoCoordinateSystem", () => Tn(e)), n("    translateGraph", () => Ur(e)), n("    assignNodeIntersects", () => Hr(e)), n("    reversePoints", () => Zr(e)), n("    acyclic.undo", () => En(e));
}
function Sr(e, n) {
  f(e.nodes(), function(r) {
    var t = e.node(r), a = n.node(r);
    t && (t.x = a.x, t.y = a.y, n.children(r).length && (t.width = a.width, t.height = a.height));
  }), f(e.edges(), function(r) {
    var t = e.edge(r), a = n.edge(r);
    t.points = a.points, Object.prototype.hasOwnProperty.call(a, "x") && (t.x = a.x, t.y = a.y);
  }), e.graph().width = n.graph().width, e.graph().height = n.graph().height;
}
var Fr = ["nodesep", "edgesep", "ranksep", "marginx", "marginy"], jr = { ranksep: 50, edgesep: 20, nodesep: 50, rankdir: "tb" }, Vr = ["acyclicer", "ranker", "rankdir", "align"], Ar = ["width", "height"], Br = { width: 0, height: 0 }, Gr = ["minlen", "weight", "width", "height", "labeloffset"], Yr = {
  minlen: 1,
  weight: 1,
  width: 0,
  height: 0,
  labeloffset: 10,
  labelpos: "r"
}, Dr = ["labelpos"];
function qr(e) {
  var n = new g({ multigraph: !0, compound: !0 }), r = D(e.graph());
  return n.setGraph(
    W({}, jr, Y(r, Fr), I(r, Vr))
  ), f(e.nodes(), function(t) {
    var a = D(e.node(t));
    n.setNode(t, Be(Y(a, Ar), Br)), n.setParent(t, e.parent(t));
  }), f(e.edges(), function(t) {
    var a = D(e.edge(t));
    n.setEdge(
      t,
      W({}, Yr, Y(a, Gr), I(a, Dr))
    );
  }), n;
}
function Wr(e) {
  var n = e.graph();
  n.ranksep /= 2, f(e.edges(), function(r) {
    var t = e.edge(r);
    t.minlen *= 2, t.labelpos.toLowerCase() !== "c" && (n.rankdir === "TB" || n.rankdir === "BT" ? t.width += t.labeloffset : t.height += t.labeloffset);
  });
}
function $r(e) {
  f(e.edges(), function(n) {
    var r = e.edge(n);
    if (r.width && r.height) {
      var t = e.node(n.v), a = e.node(n.w), i = { rank: (a.rank - t.rank) / 2 + t.rank, e: n };
      L(e, "edge-proxy", i, "_ep");
    }
  });
}
function zr(e) {
  var n = 0;
  f(e.nodes(), function(r) {
    var t = e.node(r);
    t.borderTop && (t.minRank = e.node(t.borderTop).rank, t.maxRank = e.node(t.borderBottom).rank, n = y(n, t.maxRank));
  }), e.graph().maxRank = n;
}
function Xr(e) {
  f(e.nodes(), function(n) {
    var r = e.node(n);
    r.dummy === "edge-proxy" && (e.edge(r.e).labelRank = r.rank, e.removeNode(n));
  });
}
function Ur(e) {
  var n = Number.POSITIVE_INFINITY, r = 0, t = Number.POSITIVE_INFINITY, a = 0, i = e.graph(), o = i.marginx || 0, u = i.marginy || 0;
  function d(s) {
    var c = s.x, l = s.y, h = s.width, v = s.height;
    n = Math.min(n, c - h / 2), r = Math.max(r, c + h / 2), t = Math.min(t, l - v / 2), a = Math.max(a, l + v / 2);
  }
  f(e.nodes(), function(s) {
    d(e.node(s));
  }), f(e.edges(), function(s) {
    var c = e.edge(s);
    Object.prototype.hasOwnProperty.call(c, "x") && d(c);
  }), n -= o, t -= u, f(e.nodes(), function(s) {
    var c = e.node(s);
    c.x -= n, c.y -= t;
  }), f(e.edges(), function(s) {
    var c = e.edge(s);
    f(c.points, function(l) {
      l.x -= n, l.y -= t;
    }), Object.prototype.hasOwnProperty.call(c, "x") && (c.x -= n), Object.prototype.hasOwnProperty.call(c, "y") && (c.y -= t);
  }), i.width = r - n + o, i.height = a - t + u;
}
function Hr(e) {
  f(e.edges(), function(n) {
    var r = e.edge(n), t = e.node(n.v), a = e.node(n.w), i, o;
    r.points ? (i = r.points[0], o = r.points[r.points.length - 1]) : (r.points = [], i = a, o = t), r.points.unshift(re(t, i)), r.points.push(re(a, o));
  });
}
function Jr(e) {
  f(e.edges(), function(n) {
    var r = e.edge(n);
    if (Object.prototype.hasOwnProperty.call(r, "x"))
      switch ((r.labelpos === "l" || r.labelpos === "r") && (r.width -= r.labeloffset), r.labelpos) {
        case "l":
          r.x -= r.width / 2 + r.labeloffset;
          break;
        case "r":
          r.x += r.width / 2 + r.labeloffset;
          break;
      }
  });
}
function Zr(e) {
  f(e.edges(), function(n) {
    var r = e.edge(n);
    r.reversed && r.points.reverse();
  });
}
function Kr(e) {
  f(e.nodes(), function(n) {
    if (e.children(n).length) {
      var r = e.node(n), t = e.node(r.borderTop), a = e.node(r.borderBottom), i = e.node(T(r.borderLeft)), o = e.node(T(r.borderRight));
      r.width = Math.abs(o.x - i.x), r.height = Math.abs(a.y - t.y), r.x = i.x + r.width / 2, r.y = t.y + r.height / 2;
    }
  }), f(e.nodes(), function(n) {
    e.node(n).dummy === "border" && e.removeNode(n);
  });
}
function Qr(e) {
  f(e.edges(), function(n) {
    if (n.v === n.w) {
      var r = e.node(n.v);
      r.selfEdges || (r.selfEdges = []), r.selfEdges.push({ e: n, label: e.edge(n) }), e.removeEdge(n);
    }
  });
}
function et(e) {
  var n = F(e);
  f(n, function(r) {
    var t = 0;
    f(r, function(a, i) {
      var o = e.node(a);
      o.order = i + t, f(o.selfEdges, function(u) {
        L(
          e,
          "selfedge",
          {
            width: u.label.width,
            height: u.label.height,
            rank: o.rank,
            order: i + ++t,
            e: u.e,
            label: u.label
          },
          "_se"
        );
      }), delete o.selfEdges;
    });
  });
}
function nt(e) {
  f(e.nodes(), function(n) {
    var r = e.node(n);
    if (r.dummy === "selfedge") {
      var t = e.node(r.e.v), a = t.x + t.width / 2, i = t.y, o = r.x - a, u = t.height / 2;
      e.setEdge(r.e, r.label), e.removeNode(n), r.label.points = [
        { x: a + 2 * o / 3, y: i - u },
        { x: a + 5 * o / 6, y: i - u },
        { x: a + o, y: i },
        { x: a + 5 * o / 6, y: i + u },
        { x: a + 2 * o / 3, y: i + u }
      ], r.label.x = r.x, r.label.y = r.y;
    }
  });
}
function Y(e, n) {
  return S(I(e, n), Number);
}
function D(e) {
  var n = {};
  return f(e, function(r, t) {
    n[t.toLowerCase()] = r;
  }), n;
}
export {
  ot as l
};
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