random component

components.example-bar.js

import Ember from 'ember';

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

components.example-baz.js

import Ember from 'ember';

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

components.example-foo.js

import Ember from 'ember';

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

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>本次渲染的组件是：</h1>

{{#each (take 1 (shuffle (array "foo" "bar" "baz"))) as |name|}}
  {{component (concat "example-" name)}}
{{/each}}

templates.components.example-bar.hbs

<h1>我是 example-bar</h1>

templates.components.example-baz.hbs

<h1>我是 example-baz</h1>

templates.components.example-foo.hbs

<h1>我是 example-foo</h1>

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": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-composable-helpers": "2.0.1"
  }
}