d3

components.my-chart.js

import Ember from 'ember';

export default Ember.Component.extend({
  didRender() {
    this._super(...arguments);
    let svg = d3.select(this.$('.pipeline-view-container')[0]).append('svg');

	  let xScale = d3.time.scale()
				           .domain([new Date(), new Date()])
				           .range([0, 500])
									 .ticks(d3.time.day, 1);

		let xAxis = d3.svg.axis()
									.scale(xScale)
								  .tickSize(5);

		svg.append("g")
			.attr('class', 'x axis')
			.attr("transform", "translate(0,100)")
			.call(xAxis);
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{my-chart}}
<br>
<br>

templates.components.my-chart.hbs

<h4 class="header-title m-t-0 m-b-20">Pipeline View</h4>

<div class="pipeline-view-container">
</div>

twiddle.json

{
  "version": "0.8.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "release",
    "ember-data": "2.5.2",
    "ember-template-compiler": "release",
    "d3": "https://d3js.org/d3.v3.js"
  }
}