Index: node_modules/d3-chord/dist/d3-chord.js
===================================================================
--- node_modules/d3-chord/dist/d3-chord.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-chord/dist/d3-chord.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,284 @@
+// https://d3js.org/d3-chord/ v3.0.1 Copyright 2010-2021 Mike Bostock
+(function (global, factory) {
+typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('d3-path')) :
+typeof define === 'function' && define.amd ? define(['exports', 'd3-path'], factory) :
+(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.d3 = global.d3 || {}, global.d3));
+}(this, (function (exports, d3Path) { 'use strict';
+
+var abs = Math.abs;
+var cos = Math.cos;
+var sin = Math.sin;
+var pi = Math.PI;
+var halfPi = pi / 2;
+var tau = pi * 2;
+var max = Math.max;
+var epsilon = 1e-12;
+
+function range(i, j) {
+  return Array.from({length: j - i}, (_, k) => i + k);
+}
+
+function compareValue(compare) {
+  return function(a, b) {
+    return compare(
+      a.source.value + a.target.value,
+      b.source.value + b.target.value
+    );
+  };
+}
+
+function chord() {
+  return chord$1(false, false);
+}
+
+function chordTranspose() {
+  return chord$1(false, true);
+}
+
+function chordDirected() {
+  return chord$1(true, false);
+}
+
+function chord$1(directed, transpose) {
+  var padAngle = 0,
+      sortGroups = null,
+      sortSubgroups = null,
+      sortChords = null;
+
+  function chord(matrix) {
+    var n = matrix.length,
+        groupSums = new Array(n),
+        groupIndex = range(0, n),
+        chords = new Array(n * n),
+        groups = new Array(n),
+        k = 0, dx;
+
+    matrix = Float64Array.from({length: n * n}, transpose
+        ? (_, i) => matrix[i % n][i / n | 0]
+        : (_, i) => matrix[i / n | 0][i % n]);
+
+    // Compute the scaling factor from value to angle in [0, 2pi].
+    for (let i = 0; i < n; ++i) {
+      let x = 0;
+      for (let j = 0; j < n; ++j) x += matrix[i * n + j] + directed * matrix[j * n + i];
+      k += groupSums[i] = x;
+    }
+    k = max(0, tau - padAngle * n) / k;
+    dx = k ? padAngle : tau / n;
+
+    // Compute the angles for each group and constituent chord.
+    {
+      let x = 0;
+      if (sortGroups) groupIndex.sort((a, b) => sortGroups(groupSums[a], groupSums[b]));
+      for (const i of groupIndex) {
+        const x0 = x;
+        if (directed) {
+          const subgroupIndex = range(~n + 1, n).filter(j => j < 0 ? matrix[~j * n + i] : matrix[i * n + j]);
+          if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(a < 0 ? -matrix[~a * n + i] : matrix[i * n + a], b < 0 ? -matrix[~b * n + i] : matrix[i * n + b]));
+          for (const j of subgroupIndex) {
+            if (j < 0) {
+              const chord = chords[~j * n + i] || (chords[~j * n + i] = {source: null, target: null});
+              chord.target = {index: i, startAngle: x, endAngle: x += matrix[~j * n + i] * k, value: matrix[~j * n + i]};
+            } else {
+              const chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null});
+              chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]};
+            }
+          }
+          groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]};
+        } else {
+          const subgroupIndex = range(0, n).filter(j => matrix[i * n + j] || matrix[j * n + i]);
+          if (sortSubgroups) subgroupIndex.sort((a, b) => sortSubgroups(matrix[i * n + a], matrix[i * n + b]));
+          for (const j of subgroupIndex) {
+            let chord;
+            if (i < j) {
+              chord = chords[i * n + j] || (chords[i * n + j] = {source: null, target: null});
+              chord.source = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]};
+            } else {
+              chord = chords[j * n + i] || (chords[j * n + i] = {source: null, target: null});
+              chord.target = {index: i, startAngle: x, endAngle: x += matrix[i * n + j] * k, value: matrix[i * n + j]};
+              if (i === j) chord.source = chord.target;
+            }
+            if (chord.source && chord.target && chord.source.value < chord.target.value) {
+              const source = chord.source;
+              chord.source = chord.target;
+              chord.target = source;
+            }
+          }
+          groups[i] = {index: i, startAngle: x0, endAngle: x, value: groupSums[i]};
+        }
+        x += dx;
+      }
+    }
+
+    // Remove empty chords.
+    chords = Object.values(chords);
+    chords.groups = groups;
+    return sortChords ? chords.sort(sortChords) : chords;
+  }
+
+  chord.padAngle = function(_) {
+    return arguments.length ? (padAngle = max(0, _), chord) : padAngle;
+  };
+
+  chord.sortGroups = function(_) {
+    return arguments.length ? (sortGroups = _, chord) : sortGroups;
+  };
+
+  chord.sortSubgroups = function(_) {
+    return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups;
+  };
+
+  chord.sortChords = function(_) {
+    return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._;
+  };
+
+  return chord;
+}
+
+var slice = Array.prototype.slice;
+
+function constant(x) {
+  return function() {
+    return x;
+  };
+}
+
+function defaultSource(d) {
+  return d.source;
+}
+
+function defaultTarget(d) {
+  return d.target;
+}
+
+function defaultRadius(d) {
+  return d.radius;
+}
+
+function defaultStartAngle(d) {
+  return d.startAngle;
+}
+
+function defaultEndAngle(d) {
+  return d.endAngle;
+}
+
+function defaultPadAngle() {
+  return 0;
+}
+
+function defaultArrowheadRadius() {
+  return 10;
+}
+
+function ribbon(headRadius) {
+  var source = defaultSource,
+      target = defaultTarget,
+      sourceRadius = defaultRadius,
+      targetRadius = defaultRadius,
+      startAngle = defaultStartAngle,
+      endAngle = defaultEndAngle,
+      padAngle = defaultPadAngle,
+      context = null;
+
+  function ribbon() {
+    var buffer,
+        s = source.apply(this, arguments),
+        t = target.apply(this, arguments),
+        ap = padAngle.apply(this, arguments) / 2,
+        argv = slice.call(arguments),
+        sr = +sourceRadius.apply(this, (argv[0] = s, argv)),
+        sa0 = startAngle.apply(this, argv) - halfPi,
+        sa1 = endAngle.apply(this, argv) - halfPi,
+        tr = +targetRadius.apply(this, (argv[0] = t, argv)),
+        ta0 = startAngle.apply(this, argv) - halfPi,
+        ta1 = endAngle.apply(this, argv) - halfPi;
+
+    if (!context) context = buffer = d3Path.path();
+
+    if (ap > epsilon) {
+      if (abs(sa1 - sa0) > ap * 2 + epsilon) sa1 > sa0 ? (sa0 += ap, sa1 -= ap) : (sa0 -= ap, sa1 += ap);
+      else sa0 = sa1 = (sa0 + sa1) / 2;
+      if (abs(ta1 - ta0) > ap * 2 + epsilon) ta1 > ta0 ? (ta0 += ap, ta1 -= ap) : (ta0 -= ap, ta1 += ap);
+      else ta0 = ta1 = (ta0 + ta1) / 2;
+    }
+
+    context.moveTo(sr * cos(sa0), sr * sin(sa0));
+    context.arc(0, 0, sr, sa0, sa1);
+    if (sa0 !== ta0 || sa1 !== ta1) {
+      if (headRadius) {
+        var hr = +headRadius.apply(this, arguments), tr2 = tr - hr, ta2 = (ta0 + ta1) / 2;
+        context.quadraticCurveTo(0, 0, tr2 * cos(ta0), tr2 * sin(ta0));
+        context.lineTo(tr * cos(ta2), tr * sin(ta2));
+        context.lineTo(tr2 * cos(ta1), tr2 * sin(ta1));
+      } else {
+        context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0));
+        context.arc(0, 0, tr, ta0, ta1);
+      }
+    }
+    context.quadraticCurveTo(0, 0, sr * cos(sa0), sr * sin(sa0));
+    context.closePath();
+
+    if (buffer) return context = null, buffer + "" || null;
+  }
+
+  if (headRadius) ribbon.headRadius = function(_) {
+    return arguments.length ? (headRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : headRadius;
+  };
+
+  ribbon.radius = function(_) {
+    return arguments.length ? (sourceRadius = targetRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : sourceRadius;
+  };
+
+  ribbon.sourceRadius = function(_) {
+    return arguments.length ? (sourceRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : sourceRadius;
+  };
+
+  ribbon.targetRadius = function(_) {
+    return arguments.length ? (targetRadius = typeof _ === "function" ? _ : constant(+_), ribbon) : targetRadius;
+  };
+
+  ribbon.startAngle = function(_) {
+    return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant(+_), ribbon) : startAngle;
+  };
+
+  ribbon.endAngle = function(_) {
+    return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant(+_), ribbon) : endAngle;
+  };
+
+  ribbon.padAngle = function(_) {
+    return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant(+_), ribbon) : padAngle;
+  };
+
+  ribbon.source = function(_) {
+    return arguments.length ? (source = _, ribbon) : source;
+  };
+
+  ribbon.target = function(_) {
+    return arguments.length ? (target = _, ribbon) : target;
+  };
+
+  ribbon.context = function(_) {
+    return arguments.length ? ((context = _ == null ? null : _), ribbon) : context;
+  };
+
+  return ribbon;
+}
+
+function ribbon$1() {
+  return ribbon();
+}
+
+function ribbonArrow() {
+  return ribbon(defaultArrowheadRadius);
+}
+
+exports.chord = chord;
+exports.chordDirected = chordDirected;
+exports.chordTranspose = chordTranspose;
+exports.ribbon = ribbon$1;
+exports.ribbonArrow = ribbonArrow;
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
Index: node_modules/d3-chord/dist/d3-chord.min.js
===================================================================
--- node_modules/d3-chord/dist/d3-chord.min.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/d3-chord/dist/d3-chord.min.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,2 @@
+// https://d3js.org/d3-chord/ v3.0.1 Copyright 2010-2021 Mike Bostock
+!function(n,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("d3-path")):"function"==typeof define&&define.amd?define(["exports","d3-path"],t):t((n="undefined"!=typeof globalThis?globalThis:n||self).d3=n.d3||{},n.d3)}(this,(function(n,t){"use strict";var e=Math.abs,r=Math.cos,u=Math.sin,o=Math.PI,l=o/2,i=2*o,a=Math.max,c=1e-12;function f(n,t){return Array.from({length:t-n},((t,e)=>n+e))}function s(n){return function(t,e){return n(t.source.value+t.target.value,e.source.value+e.target.value)}}function g(n,t){var e=0,r=null,u=null,o=null;function l(l){var c,s=l.length,g=new Array(s),d=f(0,s),p=new Array(s*s),h=new Array(s),y=0;l=Float64Array.from({length:s*s},t?(n,t)=>l[t%s][t/s|0]:(n,t)=>l[t/s|0][t%s]);for(let t=0;t<s;++t){let e=0;for(let r=0;r<s;++r)e+=l[t*s+r]+n*l[r*s+t];y+=g[t]=e}c=(y=a(0,i-e*s)/y)?e:i/s;{let t=0;r&&d.sort(((n,t)=>r(g[n],g[t])));for(const e of d){const r=t;if(n){const n=f(1+~s,s).filter((n=>n<0?l[~n*s+e]:l[e*s+n]));u&&n.sort(((n,t)=>u(n<0?-l[~n*s+e]:l[e*s+n],t<0?-l[~t*s+e]:l[e*s+t])));for(const r of n)if(r<0){(p[~r*s+e]||(p[~r*s+e]={source:null,target:null})).target={index:e,startAngle:t,endAngle:t+=l[~r*s+e]*y,value:l[~r*s+e]}}else{(p[e*s+r]||(p[e*s+r]={source:null,target:null})).source={index:e,startAngle:t,endAngle:t+=l[e*s+r]*y,value:l[e*s+r]}}h[e]={index:e,startAngle:r,endAngle:t,value:g[e]}}else{const n=f(0,s).filter((n=>l[e*s+n]||l[n*s+e]));u&&n.sort(((n,t)=>u(l[e*s+n],l[e*s+t])));for(const r of n){let n;if(e<r?(n=p[e*s+r]||(p[e*s+r]={source:null,target:null}),n.source={index:e,startAngle:t,endAngle:t+=l[e*s+r]*y,value:l[e*s+r]}):(n=p[r*s+e]||(p[r*s+e]={source:null,target:null}),n.target={index:e,startAngle:t,endAngle:t+=l[e*s+r]*y,value:l[e*s+r]},e===r&&(n.source=n.target)),n.source&&n.target&&n.source.value<n.target.value){const t=n.source;n.source=n.target,n.target=t}}h[e]={index:e,startAngle:r,endAngle:t,value:g[e]}}t+=c}}return(p=Object.values(p)).groups=h,o?p.sort(o):p}return l.padAngle=function(n){return arguments.length?(e=a(0,n),l):e},l.sortGroups=function(n){return arguments.length?(r=n,l):r},l.sortSubgroups=function(n){return arguments.length?(u=n,l):u},l.sortChords=function(n){return arguments.length?(null==n?o=null:(o=s(n))._=n,l):o&&o._},l}var d=Array.prototype.slice;function p(n){return function(){return n}}function h(n){return n.source}function y(n){return n.target}function v(n){return n.radius}function A(n){return n.startAngle}function b(n){return n.endAngle}function x(){return 0}function T(){return 10}function m(n){var o=h,i=y,a=v,f=v,s=A,g=b,T=x,m=null;function M(){var p,h=o.apply(this,arguments),y=i.apply(this,arguments),v=T.apply(this,arguments)/2,A=d.call(arguments),b=+a.apply(this,(A[0]=h,A)),x=s.apply(this,A)-l,M=g.apply(this,A)-l,q=+f.apply(this,(A[0]=y,A)),w=s.apply(this,A)-l,C=g.apply(this,A)-l;if(m||(m=p=t.path()),v>c&&(e(M-x)>2*v+c?M>x?(x+=v,M-=v):(x-=v,M+=v):x=M=(x+M)/2,e(C-w)>2*v+c?C>w?(w+=v,C-=v):(w-=v,C+=v):w=C=(w+C)/2),m.moveTo(b*r(x),b*u(x)),m.arc(0,0,b,x,M),x!==w||M!==C)if(n){var _=+n.apply(this,arguments),j=q-_,P=(w+C)/2;m.quadraticCurveTo(0,0,j*r(w),j*u(w)),m.lineTo(q*r(P),q*u(P)),m.lineTo(j*r(C),j*u(C))}else m.quadraticCurveTo(0,0,q*r(w),q*u(w)),m.arc(0,0,q,w,C);if(m.quadraticCurveTo(0,0,b*r(x),b*u(x)),m.closePath(),p)return m=null,p+""||null}return n&&(M.headRadius=function(t){return arguments.length?(n="function"==typeof t?t:p(+t),M):n}),M.radius=function(n){return arguments.length?(a=f="function"==typeof n?n:p(+n),M):a},M.sourceRadius=function(n){return arguments.length?(a="function"==typeof n?n:p(+n),M):a},M.targetRadius=function(n){return arguments.length?(f="function"==typeof n?n:p(+n),M):f},M.startAngle=function(n){return arguments.length?(s="function"==typeof n?n:p(+n),M):s},M.endAngle=function(n){return arguments.length?(g="function"==typeof n?n:p(+n),M):g},M.padAngle=function(n){return arguments.length?(T="function"==typeof n?n:p(+n),M):T},M.source=function(n){return arguments.length?(o=n,M):o},M.target=function(n){return arguments.length?(i=n,M):i},M.context=function(n){return arguments.length?(m=null==n?null:n,M):m},M}n.chord=function(){return g(!1,!1)},n.chordDirected=function(){return g(!0,!1)},n.chordTranspose=function(){return g(!1,!0)},n.ribbon=function(){return m()},n.ribbonArrow=function(){return m(T)},Object.defineProperty(n,"__esModule",{value:!0})}));