Method truncate

lib/internal/vfs/file_handle.js:225–228

* Truncates the file. * @param {number} [len] The new length * @returns {Promise }

(len)

   * @returns {Promise<void>}
   */
  async truncate(len) {
    this.#checkClosed('ftruncate');
    throw new ERR_METHOD_NOT_IMPLEMENTED('truncate');
  }

  /**
   * Truncates the file synchronously.