JSFiddle - React, Tailwind, and code Playground

JavaScript

//Width and height
var w = 300;
var h = 300;

var dataset = [5, 10, 20, 45, 6, 25];

var outerRadius = w / 2;
var innerRadius = w / 3;
var arc = d3.svg.arc()
    .innerRadius(innerRadius)
    .outerRadius(outerRadius);

var pie = d3.layout.pie();

//Easy colors accessible via a 10-step ordinal scale
var color = d3.scale.category10();

//Create SVG element
var svg = d3.select("body")
    .append("svg")
    .attr("width", w)
    .attr("height", h);

//Set up groups
var arcs = svg.selectAll("g.arc")
    .data(pie(dataset))
    .enter()
    .append("g")
    .attr("class", "arc")
    .attr("transform", "translate(" + outerRadius + "," + outerRadius + ")");

//Draw arc paths
arcs.append("path")
    .attr("fill", function (d, i) {
    return color(i);
})
    .attr("d", arc).style('stroke', 'white')
    .style('stroke-width', 5);

//Labels
arcs.append("text")
    .attr("transform", function (d) {
    return "translate(" + arc.centroid(d) + ")";
})
    .attr("text-anchor", "middle")
    .text(function (d) {
    return d.value;
});