https://stackoverflow.com/questions/45559727/how-to-keep-the-data-on-refresh-a-page/

controllers.application.js

import Ember from 'ember';

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

models.card-list.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Model.extend({
  title: attr()
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('my-route', { path: '/rr/:id' });
});

export default Router;

routes.index.js

import Ember from 'ember';

export default Ember.Route.extend({
   activate(){
     this.store.pushPayload('card-list', {data:{id: 1, type: 'card-list', attributes: {title: 'hello dude'}}});
   }
});

routes.my-route.js

import Ember from 'ember';

export default Ember.Route.extend({
   model: function(params) {
    if(this.store.hasRecordForId('card-list', params.id))
      return this.store.peekRecord('card-list', params.id );
    return this.store.findRecord('card-list', params.id );
  }
});

templates.application.hbs

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

templates.index.hbs

{{#link-to "my-route" 1}}My Route{{/link-to}}

templates.my-route.hbs

Title is : {{model.title}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}