New Twiddle

components.pie-chart.js

import Ember from 'ember';
import Component from 'ember-component';
import {arc, pie} from 'd3-shape';
import { select } from 'd3-selection';
import { scaleOrdinal } from 'd3-scale';


export default Component.extend({
  didInsertElement() {
    this.pieChart();
  },
  pieChart() {
    let width = 500,
        height = 500,
        radius = Math.min(width, height) / 2,
        marc = arc().outerRadius(radius - 10).innerRadius(0),
        labelArc = arc().outerRadius(radius - 40)
    										.innerRadius(radius - 40),
        color = scaleOrdinal().range(['#A60F2B', '#648C85', 
                                 '#B3F2C9', '#528C18', '#C3F25C']),
        data = [
          { label: 'Abulia', count: 10 },
          { label: 'Betelgeuse', count: 20 },
          { label: 'Cantaloupe', count: 30 },
          { label: 'Dijkstra', count: 40 }
        ],
        mpie = pie()
          .value((d) => { return d.count; })(data),
        svg = select("#pie-chart")
          .append("svg")
          .attr("width", width)
          .attr("height", height)
          .append("g")
          .attr("transform", "translate(" + width/2 + ", " + 
                height/2 + ")");

    let g = svg.selectAll("arc")
          .data(mpie)
          .enter().append("g")
          .attr("class", "arc");

    g.append("path")
        .attr("d", marc)
        .style("fill", (d, i) => { return color(i); })
        .style("stroke", "#222")
        .each((d) => { this.set('chartContext', d); });

    //Labels
    g.append("text")
        .attr("transform", (d) => { return "translate(" + 		
      						labelArc.centroid(d) + ")"; })
        .text((d) => { return d.data.color; })
        .attr("text-anchor", "middle")
        .style("fill", "#FFF")
        .each((d) => { this.set('chartContextLable', d); });
  },

});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
});

templates.application.hbs

<br>
<br>
{{pie-chart}}
<br>
<br>

templates.components.pie-chart.hbs

<div id="pie-chart">
</div>

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3",
    "ember-d3": "0.3.4"
  }
}