Example Random Collections

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  listOfTranslations: [
  	'Foo',
    'Bar',
    'Baz'
  ]
});

helpers.random-element.js

import { helper } from '@ember/component/helper';

export function randomElement([collection]) {
  if (!collection.length) {
		return;
  }
  return collection[parseInt(Math.random() * collection.length)];
}

export default helper(randomElement)

templates.application.hbs

<h1>Example Random Collections</h1>
<br>
<br>
{{my-component}}
<br>
<br>

templates.components.my-component.hbs

{{yield}}
Example of random choice from list {{listOfTranslations}}
<br>
<br>
Choice: <strong>{{random-element listOfTranslations}}</strong>
<br>
(refresh to see randomness)
<br>
<br>

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}