stackoverflow question #42833778

controllers.application.js

import Ember from 'ember';

var data = {
    "pizzas": [{
        "id": 1,
        "name": "pizza 1"
    }, {
        "id": 2,
        "name": "pizza 2"
    }]
 };

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
 	actions: {
    queryPizzas(query, deferred) {
      console.log(query.term);
 			new Ember.RSVP.Promise(function (resolve) {
      		setTimeout(function () {
            console.log(data);
            resolve(data);
          }, 300)
    	}).then(function(data) {
      //try to pass the array as the data
      deferred.resolve({data: data.pizzas, more: false});
    }, deferred.reject);
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
 {{select-2
 		optionLabelPath="name"
    placeholder="Choose from our many pizzas"
    value=chosenTypeaheadPizza
    typeaheadSearchingText="Searching pizzas"
    typeaheadNoMatchesText="No pizzas found for '%@'"
    typeaheadErrorText="Loading failed: %@"
    query="queryPizzas"
 }}
<br>
<br>

twiddle.json

{
  "version": "0.11.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.11.0",
    "ember-testing": "2.11.0"
  },
  "addons": {
  	"ember-select-2": "1.3.0"
  }
}