ember-data-rollback-new-deletes-bug

components.ember-data-test-rollback-new\.js

import Ember from 'ember';

const { Component, inject, get } = Ember;

export default Component.extend({
  store: inject.service(),
  init() {
    this._super(...arguments);
    this.log = Ember.A();
    let record = this.get('store').createRecord('dummy');
    this.log.pushObject('➡ Created a new record');
    record.name = 'Bob';
    this.log.pushObject('➡ Set name to "Bob"');
    this.log.pushObject('✓ record.name = ' + get(record, 'name'));
    this.log.pushObject('✓ record.isNew = ' + get(record, 'isNew'));
    this.log.pushObject('✓ record.isDeleted = ' + get(record, 'isDeleted'));
    record.rollbackAttributes();
    this.log.pushObject('➡ Rolled back attributes');
    this.log.pushObject('✓ record.name = ' + get(record, 'name'));
    this.log.pushObject('✗ record.isNew = ' + get(record, 'isNew') + "\t(THIS IS WRONG!)");
    this.log.push('✗ record.isDeleted = ' + get(record, 'isDeleted') + "\t(THIS IS WRONG!)");
  }
});

controllers.application\.js

import Ember from 'ember';

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

models.dummy\.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';
//import { belongsTo, hasMany } from 'ember-data/relationships';

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

templates.application\.hbs

{{ember-data-test-rollback-new}}

templates.components.ember-data-test-rollback-new\.hbs

<h1>Testing Ember Data - Rollback on New Record</h1>

<ul>
{{#each log as |entry|}}
<li>{{entry}}</li>
{{/each}}
</ul>

twiddle\.json

{
  "version": "0.17.0",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "2.18.2",
    "ember-template-compiler": "2.18.2",
    "ember-testing": "2.18.2"
  },
  "addons": {
    "@glimmer/component": "1.0.0",
    "ember-data": "2.18.5"
  }
}