threshold-ui/ui/admin/app/components/form/role/index.js

import Component from '@glimmer/component';
import { computed } from '@ember/object';

export default class FormRoleGrantsComponent extends Component {
  // =attributes

  /**
   * Returns the selected grant scope model.
   * @type {ScopeModel}
   */
  @computed('args.model.{store,grant_scope_id}')
  get selectedGrantScope() {
    return this.args.model.store.peekRecord(
      'scope',
      this.args.model.grant_scope_id
    );
  }
}