New Twiddle

components.blog-post.js

import Ember from 'ember';

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

components.collasible-panel.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>
{{#blog-post title="bhavya" as |post|}}
<p> bhavya bansal is testing yield </p>
{{/blog-post}}

{{#collasible-panel as |panel|}}
{{#if panel.isBhavya}}
<p> bansals the great </p>
{{/if}}

<p> nimble storage </p>
{{/collasible-panel}}
<br>
<br>

templates.components.blog-post.hbs

<h1>{{title}}</h1>
<div class="body">{{yield this}}</div>

templates.components.collasible-panel.hbs

{{yield (hash isBhavya=true)}}
{{yield this}}

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}