contextual-skeletons

components.cx-skeletons.js

import Ember from 'ember';

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

components.skeletons.sk-image.js

import Ember from 'ember';

export default Ember.Component.extend({
  //classNames:['sk-image'],
  tagName:''
});

components.skeletons.sk-list.js

import Ember from 'ember';

export default Ember.Component.extend({
  classNames:['sk-list'],
  type:'ol'
});

controllers.application.js

import Ember from 'ember';

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

routes.index.js

import Ember from 'ember';

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

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

.sk-list-item{
  background-color:#E7E4E4;
  width:90%;
  height:25%;
  margin:5px;
}

.sk-image{
  background-color:#E7E4E4;
  display:inline-block;
}

ul{
  padding:0;
}

li{
//padding:0;
}

templates.application.hbs

{{outlet}}
<br>
<br>

templates.components.cx-skeletons.hbs

{{yield 
		(hash 
        list=(component 'skeletons/sk-list')
        
        image=(component 'skeletons/sk-image')
    )
}}

templates.components.skeletons.sk-image.hbs

<div style="height:{{height}};width:{{width}}" class="sk-image"></div>

templates.components.skeletons.sk-list.hbs

{{!--{{#if (eq type "ul")}}
<ul>
  <li class="sk-list-item"></li>
  <li class="sk-list-item"></li>
  <li class="sk-list-item"></li>
</ul>
{{/if}}

{{#if (eq type "ol")}}
<ol>
  <li class="sk-list-item"></li>
  <li class="sk-list-item"></li>
  <li class="sk-list-item"></li>
</ol>
{{/if}}--}}
<ul style="list-style: {{list-style}} outside {{list-style}};height:{{height}};width:{{width}}">
  <li class="sk-list-item"></li>
  <li class="sk-list-item"></li>
  <li class="sk-list-item"></li>
</ul>

templates.index.hbs

{{#cx-skeletons as |skeleton|}}	
	{{skeleton.list height="50px" width="15%"}}
  {{skeleton.image height="100px" width="30%"}}
  {{skeleton.list list-style="none" height="50px" width="25%"}}
{{/cx-skeletons}}

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",
    "ember-cli-sass":"2.0.0",
    "ember-truth-helpers": "1.3.0"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}