RecordArray + each

controllers.application.js

import Ember from 'ember';
import Component from '@ember/component';
import move from 'ember-animated/motions/move';
import { fadeOut } from 'ember-animated/motions/opacity';

export default Ember.Controller.extend({
  * transition({ keptSprites, removedSprites }) {
    keptSprites.forEach(move);
    removedSprites.forEach(fadeOut);
  },
});

models.book.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('string')
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
  	this.store.push({data:{ id: 1, type: 'book', title: "book 1" }});
    this.store.push({data:{ id: 2, type: 'book', title: "book 2" }});
    this.store.push({data:{ id: 3, type: 'book', title: "book 3" }});
    
  	return this.store.peekAll('book');
  }
});

templates.application.hbs

{{log model}}
{{#each model as |book i|}}
	{{i}}
	{{book.title}}
{{/each}}

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",
    "ember-animated": "0.3.1"
  }
}