JSFiddle - React, Tailwind, and code Playground

by Nivaldo

CSS

.node {
  font: 11px "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.link {
  stroke: steelblue;
  stroke-opacity: .4;
  fill: none;
}

JavaScript

var diameter = 300,
    radius = diameter / 2,
    innerRadius = radius - 80;

var cluster = d3.layout.cluster()
    .separation(function(a, b) { return (a.parent == b.parent ? 1 : 5 ) })
    .size([360, innerRadius])
    .sort(null)
    .value(function(d) { return d.size; });

var bundle = d3.layout.bundle();

var line = d3.svg.line.radial()
    .interpolate("bundle")
    .tension(.85)
    .radius(function(d) { return d.y; })
    .angle(function(d) { return d.x / 180 * Math.PI; });

var svg = d3.select("body").append("svg")
    .attr("width", diameter)
    .attr("height", diameter)
    .append("g")
    .attr("transform", "translate(" + radius + "," + radius + ")");

var classes = getData();

var nodes = cluster.nodes(packageHierarchy(classes)),
    links = packageImports(nodes);

svg.selectAll(".link")
    .data(bundle(links))
   .enter()
    .append("path")
    .attr("class", "link")
    .attr("d", line);

svg.selectAll(".node")
    .data(nodes.filter(function(n) { return !n.children; }))
   .enter()
    .append("g")
    .attr("class", "node")
    .attr("transform", function(d) {
        return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")";
    })
    .append("text")
    .attr("dx", function(d) { return d.x < 180 ? 8 : -8; })
    .attr("dy", ".31em")
    .attr("text-anchor", function(d) { return d.x < 180 ? "start" : "end"; })
    .attr("transform", function(d) { return d.x < 180 ? null : "rotate(180)"; })
    .text(function(d) { return d.key; });

d3.select(self.frameElement).style("height", diameter + "px");

// Lazily construct the package hierarchy from class names.
function packageHierarchy(classes) {
  var map = {};

  function find(name, data) {
    var node = map[name], i;
    if (!node) {
      node = map[name] = data || {name: name, children: []};
      if (name.length) {
        node.parent = find(name.substring(0, i = name.lastIndexOf(".")));
        node.parent.children.push(node);
        node.key = name.substring(i + 1);
      }
    }
   ...