nmbl-carousel

components.nmbl-carousel.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  actions: {
    selectSlide(slideId) {
      this.get('on-slide-select')(slideId);
    }
  }
});

components.nmbl-slide.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  tagName: 'a',
  attributeBindings: ['href'],
  href: '#',
  classNameBindings: ['isActive'],
  
  isActive: Ember.computed('slideId', 'selectedSlideId', function() {
    return this.get('slideId') === this.get('selectedSlideId');
  }),
  
  click(e) {
    e.preventDefault();
    this.get('on-select')(this.get('slideId'));
  }
  
});

controllers.application.js

import Ember from 'ember';

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

styles.app.css

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

a {
  display: inline-block;
}
.is-active {
  background: yellow;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>

<h2>The selected slide is {{selectedSlideId}}</h2>

{{#nmbl-carousel
  on-slide-select=(action (mut selectedSlideId))
  selectedSlideId=selectedSlideId
as |c|}}
  {{#c.slide slideId='one-fish'}}
    <p>One fish</p>
  {{/c.slide}}
  
  {{#c.slide slideId='two-fish'}}
    <p>Two fish</p>
  {{/c.slide}}
  
  {{#c.slide slideId='red-fish'}}
    <p>Red fish</p>
  {{/c.slide}}
  
  {{#c.slide slideId='blue-fish'}}
    <p>Blue fish</p>
  {{/c.slide}}
{{/nmbl-carousel}}

templates.components.nmbl-carousel.hbs

{{yield (hash
  slide=(component 'nmbl-slide' on-select=(action 'selectSlide') selectedSlideId=selectedSlideId)
)}}

templates.components.nmbl-slide.hbs

{{yield}}

twiddle.json

{
  "version": "0.10.7",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.0",
    "ember-data": "2.10.0",
    "ember-template-compiler": "2.10.0",
    "ember-testing": "2.10.0"
  },
  "addons": {}
}