New Twiddle

components.flex-container.js

import Ember from 'ember';

export default Ember.Component.extend({
  classNames: ['flex-container'],
  classNameBindings: ['vertical:vertical'],
  vertical: false
});

controllers.application.js

import Ember from 'ember';

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

helpers.array.js

import Ember from 'ember';

export function array(params/*, hash*/) {
  return params;
}

export default Ember.Helper.helper(array);

styles.app.css

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

.flex-container {
  display: flex;
  flex-direction: row;
}

.flex-container.vertical {
  flex-direction: column;
}

.frost-flex-1 {
  flex: 1;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{flex-container
  components=(array
    (component 'some-component')
    (component 'some-component')
    (component 'some-component')
    (component 'some-component')
  )
}}

{{flex-container
  vertical=true
  components=(array
    (component 'some-component')
    (component 'some-component')
    (component 'some-component')
    (component 'some-component')
  )
}}
<br>
<br>

templates.components.flex-container.hbs

{{#each components as |aComponent|}}
  {{component aComponent}}
{{/each}}

templates.components.some-component.hbs

<div>Hello</div>

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.8.0",
    "ember-data": "2.8.0",
    "ember-template-compiler": "2.8.0",
    "ember-testing": "2.8.0"
  },
  "addons": {}
}