so#45462699

components.my-custom-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  firstName: 'John',
  lastName: 'Doe'
});

components.my-other-component.js

import Ember from 'ember';

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

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>
{{outlet}}
{{#my-custom-component as |person|}}
	{{my-other-component person=person}}
{{/my-custom-component}}
<br>
<br>

templates.components.my-custom-component.hbs

Hi there I am my-custom component<br>
{{yield (hash firstName=firstName lastName=lastName)}}

templates.components.my-other-component.hbs

Hi there {{person.firstName}}-{{person.lastName}} I am other component <br>

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"
  }
}