register component at runtime

components.foo-bar.js

import Ember from 'ember';

export default Ember.Component.extend({
  value: 0
});

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  foobars: Ember.computed(function() {
    const list = [1, 2];
    const owner = Ember.getOwner(this);
    const Foobar = owner.resolveRegistration('component:foo-bar');
    //console.log(Foobar);
    //debugger
    //const renderer = this.renderer;
    
    return list.map(function(num) {
      const c = Foobar.extend({
        value: num,
        //renderer: renderer,
        layout: function() {
          return 'x';
        }
      });
      const cName = 'c-foobar'+num;
      const options = {singleton: false, instantiate: true};
      owner.register('component:'+cName, c, options);
      //return num;
      return cName;
    });
  })
  
});

controllers.application.js

import Ember from 'ember';

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

helpers.foobar-one.js

import Ember from 'ember';

export function foobarOne(params/*, hash*/) {
  return Ember.String.htmlSafe('{{foo-bar value=1}}');
}

export default Ember.Helper.helper(foobarOne);

templates.application.hbs

{{my-component}}
{{!foobar-one}}

templates.components.foo-bar.hbs

value: {{value}}

templates.components.my-component.hbs

{{#each foobars as |foobar|}}
  {{log foobar}}
  {{component foobar}}
{{/each}}

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": "beta",
    "ember-template-compiler": "beta",
    "ember-testing": "beta"
  },
  "addons": {}
}