TypeScript AngularJs Promise

promise.ts

public update = (dataID): any => {
  var deferred = this.$q.defer();
  //var promise = deferred.promise;
  this.services.getDataById(dataID)
    .then((data) => {             
      deferred.resolve(data); // En caso  de ser exitoso retornamos data (falta catch)
    });
    // En caso de solo querer retornar un "exito" 
    deferred.resolve();
    return deferred.promise; // Retornamos el objeto promesa
};

private buildData = (dataID): void => {
    this.rowsTable = [];
    this.update(dataID)
      .then((rows) => {
        this.doThings();
      });
  }