Yield demo

components.person-component-2.js

import Ember from 'ember';

export default Ember.Component.extend({
  classNames: ["person-card"]
});

components.person-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  classNames: ["person-card"]
});

controllers.application.js

import Ember from 'ember';

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

helpers.is-equal.js

import Ember from 'ember';

export function isEqual(params/*, hash*/) {
  return params[0] === params[1];
}

export default Ember.Helper.helper(isEqual);

templates.application.hbs

<h1>Yield demo</h1>

<small>First component yields a simple js object. Second component yields a string. 
Is-equal is a simple helper which compares two values.</small>

<h2>Component 1</h2>
{{#person-component as |section|}}
  {{#if section.isTitle}}Person Card{{/if}}
  {{#if section.isName}}Name: Jon Snow{{/if}}
  {{#if section.isOccupation}}Occupation: bastard, King of the North{{/if}}
{{/person-component}}

<h2>Component 2</h2>
{{#person-component-2 as |section|}}
  {{#if (is-equal section "title")}}Person Card{{/if}}
  {{#if (is-equal section "name")}}Name: Cersei Lannister{{/if}}
  {{#if (is-equal section "occupation")}}Occupation: Cersei of the House Lannister, the First of Her Name, Queen of the Andals and the First Men, Protector of the Seven Kingdoms{{/if}}
{{/person-component-2}}

templates.components.person-component-2.hbs

<h3>{{yield "title"}}</h3>
<div class="person-data">
  <h4 class="name">{{yield "name"}}</h4>
  <div class="occupation">{{yield "occupation"}}</div>
</div>

templates.components.person-component.hbs

<h3>{{yield (hash isTitle=true)}}</h3>
<div class="person-data">
  <h4 class="name">{{yield (hash isName=true)}}</h4>
  <div class="occupation">{{yield (hash isOccupation=true)}}</div>
</div>

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"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}