crumbly-4.js

  routeHierarchy: computed('currentRouteName', 'reverse', {
    get() {
      const currentRouteName = getWithDefault(this, 'currentRouteName', false);

      assert('[ember-crumbly] Could not find a curent route', currentRouteName);

      const routeNames = this._splitCurrentRouteName(currentRouteName);
      const filteredRouteNames = this._filterIndexRoutes(routeNames);

      const crumbs = this._lookupBreadCrumb(routeNames, filteredRouteNames);
      return this.get('reverse') ? crumbs.reverse() : crumbs;
    },

    set() {
      warn('[ember-crumbly] `routeHierarchy` is read only');
    }
  }),