Custom Store

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
    callStore() {
      this.store.customMethod();
    } 
  }
});

application.template.hbs

<button type="button" {{action "callStore"}}>Click to test custom Store</button>

services.store.js

import DS from 'ember-data';
    
export default DS.Store.extend({
    
  init: function() {
    console.log('Using custom store!');
    return this._super.apply(this, arguments);
  },
  
  customMethod() {
    alert('Custom Store');
  }
});

twiddle.json

{
  "version": "0.5.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}