Namespaced Stores

controllers.application.js

import Ember from 'ember';

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

services.company.js

import Ember from 'ember';
import Store from 'ember-data/store';

const { getOwner } = Ember;
const { dasherize } = Ember.String;

export default Ember.Service.extend({
  init() {
    this._super(...arguments);
    this._companyCache = Object.create(null);
  },
  
  getStore(companyName) {
    const name = dasherize(companyName);
    let store = this._companyCache[name];
    if (store === undefined) {
      const owner = getOwner(this);
      const serviceName = `service:${name}-store`;
      owner.register(serviceName, Store);
      store = owner.lookup(serviceName);
    }
    
    return store;
  }
  
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<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"
  }
}