JSFiddle - React, Tailwind, and code Playground
by Shashank D
HTML
<script src="https://d3js.org/d3.v4.min.js"></script>
CSS
.node rect {
cursor: pointer;
fill: #fff;
fill-opacity: 0.5;
stroke: #3182bd;
stroke-width: 1.5px;
}
.node text {
font: 10px sans-serif;
pointer-events: none;
}
.link {
fill: none;
stroke: #9ecae1;
stroke-width: 1.5px;
}
JavaScript
var margin = {top: 30, right: 20, bottom: 30, left: 20},
width = 960,
barHeight = 20,
barWidth = (width - margin.left - margin.right) * 0.8;
var i = 0,
duration = 400,
root;
// x scale
var xScale = d3.scaleLinear().range([0, barWidth]);
var diagonal = d3.linkHorizontal()
.x(function(d) { return d.y; })
.y(function(d) { return d.x; });
var svg = d3.select("body").append("svg")
.attr("width", width) // + margin.left + margin.right)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
d3.json("https://gist.githubusercontent.com/mbostock/1093025/raw/b40b9fc5b53b40836ead8aa4b4a17d948b491126/flare.json", function(error, flare) {
if (error) throw error;
root = d3.hierarchy(flare);
root.x0 = 0;
root.y0 = 0;
root.children.forEach(function(d){
d._children = d.children;
d.children = null;
});
update(root);
});
function update(source) {
// Compute the flattened node list.
var nodes = root.descendants();
var height = Math.max(500, nodes.length * barHeight + margin.top + margin.bottom);
d3.select("svg").transition()
.duration(duration)
.attr("height", height);
d3.select(self.frameElement).transition()
.duration(duration)
.style("height", height + "px");
// Compute the "layout". TODO https://github.com/d3/d3-hierarchy/issues/67
var index = -1;
root.eachBefore(function(n) {
n.x = ++index * barHeight;
n.y = n.depth * 20;
});
// Update the nodes…
var node = svg.selectAll(".node")
.data(nodes, function(d) { return d.id || (d.id = ++i); });
var nodeEnter = node.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
.style("opacity", 0);
// Enter any new nodes at the parent's previous position.
nodeEnter.append("rect")
.attr("y", -barHeight / 2)
.attr("height", barHeight)
.attr("width", function(d) {
...