save cmbuffer to file in javascript

index.tsx
// Create blob from the cmbuffer variable
const blob = new Blob([cmbuffer], {type: 'application/octet-stream'});

// Create download link
const url = URL.createObjectURL(blob);

const a = document.createElement('a');
a.href = url;
a.download = 'filename.ext';

// Append link to the body
document.body.appendChild(a);

// Click the link to download the file
a.click();

// Remove the link from the body
document.body.removeChild(a);

// Revoke the blob URL
URL.revokeObjectURL(url);
483 chars
22 lines