import Alias from 'ember-cp-validations/validators/alias'; import Ember from 'ember'; const { get } = Ember; const ModelAlias = Alias.extend({ validate(value, options, model, attribute) { const optionsModel = get(options, 'model'); if (optionsModel) { model = get(model, optionsModel); } return this._super(value, options, model, attribute) || true; } }); export default ModelAlias;