Boolean Microstate

controllers.application.js

import Ember from 'ember';

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

helpers.boolean.js

import Ember from 'ember';

class BoolState {
  constructor(val) {
    this.value = val;
  }
  
  get toggle() {
    return () => {
      console.log('toggling');
      Ember.set(this, 'value', !this.value);
    }
  }
}

export function boolean() {
	return new BoolState(false);
}

export default Ember.Helper.helper(boolean);

templates.application.hbs

{{#with (boolean) as |bool|}}
  {{bool.value}}
  <button type="button" onClick={{action bool.toggle}}>
  	Click me
  </button>
{{/with}}

<br>
<br>

twiddle.json

{
  "version": "0.10.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.0",
    "ember-data": "2.6.1",
    "ember-template-compiler": "2.6.0"
  },
  "addons": {}
}