toggle-binary helper

components.toggle-switch.js

import Ember from 'ember';

export default Ember.Component.extend({
  toggled: false,
  
  actions: {
    toggle() {
      let val = this.toggleProperty('toggled');

      this.get('onToggle')(val);
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  toggled: 0
});

helpers.toggle-binary.js

import Ember from 'ember';

export function toggleBinary([mut]/*, hash*/) {
  if (mut) {
    return function  (val) {
      mut(val ? 1 : 0);
    };
  } else {
    return function() {};
  }
}

export default Ember.Helper.helper(toggleBinary);

templates.application.hbs

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

{{toggle-switch onToggle=(toggle-binary (action (mut toggled)))}}
{{toggled}}

templates.components.toggle-switch.hbs

{{yield}}
<button type='button' onclick={{action 'toggle'}}>Toggle: {{toggled}}</button>

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"
  }
}