Method readv

lib/internal/vfs/file_handle.js:275–286

* Reads data from the file into multiple buffers. * @param {Buffer[]} buffers The buffers to read into * @param {number|null} [position] The position to read from * @returns {Promise<{ bytesRead: number, buffers: Buffer[] }>}

(buffers, position)

   * @returns {Promise<{ bytesRead: number, buffers: Buffer[] }>}
   */
  async readv(buffers, position) {
    this.#checkClosed('readv');
    let totalRead = 0;
    for (let i = 0; i < buffers.length; i++) {
      const buf = buffers[i];
      const pos = position != null ? position + totalRead : null;
      const { bytesRead } = await this.read(buf, 0, buf.byteLength, pos);
      totalRead += bytesRead;
      if (bytesRead < buf.byteLength) break;
    }
    return { __proto__: null, bytesRead: totalRead, buffers };
  }

  /**
   * Writes data from multiple buffers to the file.