JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://github.com/mbostock/d3/raw/master/examples/data/flare.json"></script>
<div id="chart"></div>
<script type="text/javascript" src="http://d3js.org/d3.v2.js"></script>
CSS
circle.node {
cursor: pointer;
stroke: #000;
stroke-width: .5px;
}
line.link {
fill: none;
stroke: #9ecae1;
stroke-width: 1.5px;
}
JavaScript
var width = 960,
height = 500,
node,
link,
root;
var force = d3.layout.force()
.on("tick", tick)
.charge(function(d) { return d._children ? -d.size / 100 : -30; })
.linkDistance(function(d) { return d.target._children ? 80 : 30; })
.size([width, height]);
var vis = d3.select("#chart").append("svg")
.attr("width", width)
.attr("height", height);
d3.json("flare.json", function(json) {
root = json;
root.fixed = true;
root.x = width / 2;
root.y = height / 2;
update();
});
function update() {
var nodes = flatten(root),
links = d3.layout.tree().links(nodes);
// Restart the force layout.
force
.nodes(nodes)
.links(links)
.start();
// Update the links…
link = vis.selectAll("line.link")
.data(links, function(d) { return d.target.id; });
// Enter any new links.
link.enter().insert("line", ".node")
.attr("class", "link")
.attr("x1", function(d) { return d.source.x; })
.attr("y1", function(d) { return d.source.y; })
.attr("x2", function(d) { return d.target.x; })
.attr("y2", function(d) { return d.target.y; });
// Exit any old links.
link.exit().remove();
// Update the nodes…
node = vis.selectAll("circle.node")
.data(nodes, function(d) { return d.id; })
.style("fill", color);
node.transition()
.attr("r", function(d) { return d.children ? 4.5 : Math.sqrt(d.size) / 10; });
// Enter any new nodes.
node.enter().append("circle")
.attr("class", "node")
.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; })
.attr("r", function(d) { return d.children ? 4.5 : Math.sqrt(d.size) / 10; })
.style("fill", color)
.on("click", click)
.call(force.drag);
node.enter().append("text")
.attr("class","node")
.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; })
...