Download PDF with Google Drive API

index.js

const downloadFileAsPdf = (googleDriveFileId) => {
    const drive = google.drive({ version: 'v3', auth: 'YOUR_API_KEY' });
    const fileStream = fs.createWriteStream('./output.pdf')
    drive.files.export({ fileId: googleDriveFileId, mimeType: 'application/pdf' }, { responseType: 'stream' }, (err, res) => {
        res.data.pipe(fileStream);
    })
}

//https://docs.google.com/presentation/d/HERE_IS_THE_FILE_ID
const slideId = "GOOGLE_DRIVE_FILE_ID"
downloadFileAsPdf(slideId)