New Twiddle

components.fb-button.js

import Ember from 'ember';

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

components.fb-tooltip-contents.js

import Ember from 'ember';

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

components.fb-tooltip.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

{{#fb-tooltip
	on="hover"
	as |tooltip|
}}
	{{#tooltip.trigger}}
  	Hover me
  {{/tooltip.trigger}}
  {{#tooltip.contents}}
  	Blah blah
  {{/tooltip.contents}}
{{/fb-tooltip}}

templates.components.fb-button.hbs

{{yield}}

templates.components.fb-tooltip-contents.hbs

{{yield}}

templates.components.fb-tooltip.hbs

{{yield (hash
	trigger=(component 'fb-button')
  contents=(component 'fb-tooltip-contents')
)}}

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",
    "ember-basic-dropdown": "0.33.0"
  }
}