New Twiddle

components.yields-name.js

import Ember from 'ember';

export default Ember.Component.extend({
  name: 'yields-name-here'
});

controllers.application.js

import Ember from 'ember';

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

templates.-foo.hbs

{{name}}

templates.application.hbs

{{#yields-name as |name|}}
  {{partial 'foo'}}
{{/yields-name}}

templates.components.yields-name.hbs

{{yield name}}

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": "2.15.0",
    "ember-template-compiler": "2.15.0",
    "ember-testing": "2.15.0"
  }
}