Function new_model

packages/base-manager/src/manager-base.ts:355–373

* Create and return a promise for a new widget model * * @param options - the options for creating the model. * @param serialized_state - attribute values for the model. * * @example * widget_manager.new_model({ * model_name: 'IntSlider', * model_module: '@jupyter-w

(
    options: IModelOptions,
    serialized_state: any = {}
  )

   *
   */
  async new_model(
    options: IModelOptions,
    serialized_state: any = {}
  ): Promise<WidgetModel> {
    const model_id = options.model_id ?? options.comm?.comm_id;
    if (!model_id) {
      throw new Error(
        'Neither comm nor model_id provided in options object. At least one must exist.'
      );
    }
    options.model_id = model_id;
    const modelPromise = this._make_model(
      options as RequiredSome<IModelOptions, 'model_id'>,
      serialized_state
    );
    // this call needs to happen before the first `await`, see note in `set_state`:
    this.register_model(model_id, modelPromise);
    return await modelPromise;
  }

  /**
   * Fetch all widgets states from the kernel using the control comm channel