Method write

lib/internal/vfs/file_handle.js:562–565

* Writes data to the file. * @param {Buffer} buffer The buffer to write from * @param {number} offset The offset in the buffer to start reading * @param {number} length The number of bytes to write * @param {number|null} position The position to write to (null uses current position) *

(buffer, offset, length, position)

   * @returns {Promise<{ bytesWritten: number, buffer: Buffer }>}
   */
  async write(buffer, offset, length, position) {
    const bytesWritten = this.writeSync(buffer, offset, length, position);
    return { __proto__: null, bytesWritten, buffer };
  }

  /**
   * Reads the entire file synchronously.