fresh block

Built with blockbuilder.org

<!DOCTYPE html>
<meta charset="utf-8">
<style>

.node {
  font: 300 11px "Helvetica Neue", Helvetica, Arial, sans-serif;
  fill: #bbb;
}

.node:hover {
  fill: #000;
}

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

.node:hover,
.node--source,
.node--target {
  font-weight: 700;
}

.node--source {
  fill: #2ca02c;
}

.node--target {
  fill: #d62728;
}

.link--source,
.link--target {
  stroke-opacity: 1;
  stroke-width: 2px;
}

.link--source {
  stroke: #d62728;
}

.link--target {
  stroke: #2ca02c;
}

</style>
<body>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

var diameter = 960,
    radius = diameter / 2,
    innerRadius = radius - 120;

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

var cluster = d3.cluster()
    .size([360, innerRadius])

var bundle = d3.curveBundle();

var line = d3.radialLine()
    .curve(bundle)
    .radius(function(d) { return d.y; })
    .angle(function(d) { return d.x / 180 * Math.PI; });

var link = svg.append("g").selectAll(".link"),
    node = svg.append("g").selectAll(".node");

d3.json("readme-flare-imports.json", function(error, classes) {
  if (error) throw error;
  var hierarchy = d3.hierarchy(packageHierarchy(classes))
  var nodes = cluster(hierarchy).descendants()

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

classes.forEach(function(d) {
    find(d.name, d);
  });

return map[""];
}

// Return a list of imports for the given array of nodes.
function packageImports(nodes) {
  var map = {},
      imports = [];

// Compute a map from name to node.
  nodes.forEach(function(d) {
    map[d.data.name] = d;
  });

// For each import, construct a link from the source to target node.
  nodes.forEach(function(d) {
    if (d.data.songs) d.data.songs.forEach(function(i) {
      imports.push({source: map[d.data.name], target: map[i]});
    });
  });

return imports;
}

</script>

Updated missing url //d3js.org/d3.v4.min.js to https://d3js.org/d3.v4.min.js

https://d3js.org/d3.v4.min.js