flatpickr 2

components.date-picker.js

import Ember from 'ember';

export default Ember.Component.extend({
  dateDisabled: Ember.computed('foo',function(){
    console.log(this.get('foo'));
    return [
      function(date){
        //console.log(this.get('foo'));
        let day = date.getDate()
        if (day & 1){
          return false;
        }else{
          return true;
        }
      }
    ]
  })
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

{{date-picker foo="bar"}}

templates.components.date-picker.hbs

{{ember-flatpickr disable=dateDisabled onChange=null}}

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",
    "ember-flatpickr": "1.2.0",
    "ember-bootstrap": "1.0.0-rc.2"
  }
}