Ember Data - Local Deletion

adapters.application.js

import Adapter from 'ember-data/adapters/json-api';
import { resolve } from 'rsvp';

export default class ApplicationAdapter extends Adapter {
  deleteRecord(store, ModelClass, snapshot) {
    if (snapshot.adapterOptions && snapshot.adapterOptions.isLocalDelete === true) {
      return resolve({ data: null });
    }
    return this._super(...arguments);
  }
}

controllers.application.js

import Ember from 'ember';
let id = 123;

export default Ember.Controller.extend({
  people: Ember.A(),
  
  actions: {
    createPerson(name) {
      let store = this.get('store');
      let person = store.push({
        data: {
          type: 'person',
          id: `${id++}`,
          attributes: { name }
        }
      });
      this.get('people').addObject(person);
      this.set('newPersonName', '');
    },
    
    deletePerson(person) {
      this.get('people').removeObject(person);
      person.destroyRecord({
        adapterOptions: {
          isLocalDelete: true
        }
      });
    }
  }
});

models.person.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';

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

serializers.application.js

import Serializer from 'ember-data/serializers/json-api';

export default Serializer.extend();

templates.application.hbs

<h3>Deleting Records Locally</h3>
<p>A simple example</p>
<br>

<ul>
{{#each people as |person|}}
  <li>
    Name: {{person.name}}<br>
    ID: {{person.id}}<br>
    <button {{action "deletePerson" person}}>Delete Person</button>
  </li>
{{else}}
  You have no folks!
{{/each}}
</ul>

<br>
<br>
  {{input type="text" value=newPersonName}}
  <button {{action "createPerson" newPersonName}}>Create Person</button>
<br>
{{outlet}}
<br>

twiddle.json

{
  "version": "0.13.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}