Workaround for Ember Data hasDirtyAttributes strict equality

ember-data-is-actually-dirty.js

/* This is a silly workaround for this https://github.com/emberjs/data/issues/1540 */

import Ember from 'ember';
import DS from 'ember-data';
import _values from 'lodash/object/values';

const { computed } = Ember;

export function checkIsActuallyDirty(diff) {
  const [val1, val2] = diff;

  // intentional double equal comparison
  if (val1 == val2) { /* jshint ignore:line */
    return false;
  }
}

export function initialize() {
  DS.Model.reopen({
    isActuallyDirty: computed('hasDirtyAttributes', function() {
      let isActuallyDirty = false;
      if (this.get('hasDirtyAttributes')) {
        const changedAttrs = _values(this.changedAttributes());
        isActuallyDirty = changedAttrs.any(function(diff) {
          return checkIsActuallyDirty(diff);
        });
      }

      return isActuallyDirty;
    }),
  });
}

export default {
  name: 'ember-data-is-actually-dirty',
  initialize,
};