text: /* */ 
  "format cjs";
  import { isPresent } from '../../../src/facade/lang';
  import { RouteData, BLANK_ROUTE_DATA } from '../../instruction';
  export class AsyncRouteHandler {
      constructor(_loader, data = null) {
          this._loader = _loader;
          /** @internal */
          this._resolvedComponent = null;
          this.data = isPresent(data) ? new RouteData(data) : BLANK_ROUTE_DATA;
      }
      resolveComponentType() {
          if (isPresent(this._resolvedComponent)) {
              return this._resolvedComponent;
          }
          return this._resolvedComponent = this._loader().then((componentType) => {
              this.componentType = componentType;
              return componentType;
          });
      }
  }
  //# sourceMappingURL=async_route_handler.js.map