Test Save Chain

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  
  saveThing(thing) {
    // if I were to tag a .then() on to this save().. the chain breaks
    return thing.save();
  },
  
  actions: {
    saveThing(thing) {
      return this.saveThing(thing);
    }
  }
});

application.route.js

import Ember from 'ember';

export default Ember.Route.extend({
  
  model() {
    return this.store.createRecord('thing');
  }
  
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
{{my-component thing=model save=(action "saveThing")}}

models.thing.js

import DS from 'ember-data';

export default DS.Model.extend({
  name: DS.attr('string')
});

my-component.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  saving: Ember.computed.alias('promise.isPending'),
  
  actions: {
    save(thing) {
      let promise = this.attrs.save(thing);
      this.set('promise', promise);
    }
  }
  
});

my-component.template.hbs

<button {{action "save" thing}}>
  {{if saving "Saving" "Save"}} Thing
</button>

twiddle.json

{
  "version": "0.5.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}