http://stackoverflow.com/questions/43012603/ember-js-model-inside-component

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  didUpdateAttrs(){
    console.log('didUpdatte');
  },
  didReceiveAttrs(){
     this._super(...arguments)
    console.log('didRecieve');
  },
  willUpdate(){
    console.log('willupdate');
  },
  didRender(){
    console.log('didRender');
  },
  actions:{
    add(){      
      //this.get('model').pushObject(4);
      this.sendAction('add',4);
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',  
  init(){
    this._super(...arguments);
    this.set('contArr',[50,51]);
  },
  actions:{
    add(val){      
      //this.get('contArr').pushObject(52);
      this.get('model').pushObject(4);
      //this.get('model').clear();
      //let a =[11,222];
      //this.set('model',a);
    }
  }
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  init(){
    this._super(...arguments);
    this.set('result',[1,2,3]);
  },
  model(){
    return this.get('result');
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
{{#each model as |row|}}
 {{row}}
 {{/each}}
<br>
{{my-component model=model contArr=contArr len=4 add='add'}}
<br>
{{outlet}}
<br>
<br>

templates.components.my-component.hbs

{{#each model as |row|}}
 {{row}}
 {{/each}}
 <br />
 {{#each contArr as |row|}}
 {{row}}
 {{/each}}
 <button {{action 'add'}}> Add - length{{len}} </button>
{{yield}}

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"
  }
}