ember-wrapped-template

components.component-one.js

import Ember from 'ember';

export default Ember.Component.extend({
  classNames:['component-one']
});

components.component-two.js

import Ember from 'ember';

export default Ember.Component.extend({
    classNames:['component-two'],
});

controllers.application.js

import Ember from 'ember';

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

controllers.index.js

import Ember from 'ember';

export default Ember.Controller.extend({
  title: 'Wrap Share',
  author: 'Some Person',
  abc:'Data-From-Component-One',
  valueOfTwo:'valueTwo of component-two assigned through controller in index'
});

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;
}

.component-two {
 color: brown; 
}

.component-one {
 color: blue; 
}

templates.application.hbs

<h3 style="color:orange">Start of application template - Contextual Component</h3>
{{outlet}}
<h3 style="color:orange">End of application template</h3>

templates.components.component-one.hbs

<h3>Start of component-one template</h3>

<h4>Title added as part of component-one: {{title}}</h4>

<hr>
<div class="body">
{{yield 
		(hash 
    		otherComponentsBody=(component nameOtherComponent dataOfTwo=dataOfOne)
    )
}}
</div>
<hr>

<p>Data that belongs to component-one:  <u>{{dataOfOne}}</u></p>

<h3>End of component-one template</h3>

templates.components.component-two.hbs

<h3>Start of component-two template</h3>

{{yield}}

<p> Property of component-two which is "binded TO a property of component-one" in component/hash helper(in component-one's template) is displayed here </p>
<u><i>{{dataOfTwo}}</i></u><br>
<u><i>{{labelTwo}}</i></u><br>
<u><i>{{valueTwo}}</i></u>

<p><u>Note form two</u>: This above underlined data belongs to component-two but because of the "binding" and coontextual components, we are able to access it via component-one as well</p>

<h3>End of component-two template</h3>

templates.index.hbs

<h3 style="color:violet">Start of index template</h3>

{{#component-one title=title nameOtherComponent="component-two" dataOfOne=abc as |something|}}
  <p style="color:violet">Author added in index template inside the component-one block template: {{author}}</p>
  {{something.otherComponentsBody labelTwo='labelTwo assigned in index' valueTwo=valueOfTwo}}
{{/component-one}}

<h3 style="color:violet">End of index template</h3>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}