Descargar imagen base 64

download-image-base-64.ts

export const downloadBase64ImageAsPng = async (base64Image: string) => {

  // Remover encabezado
  base64Image = base64Image.split(';base64,').pop();
  const imageBuffer = Buffer.from(base64Image, 'base64');

  const folderPath = path.resolve('./', './generated/images/');
  fs.mkdirSync(folderPath, { recursive: true });

  const imageNamePng = `${ new Date().getTime() }-64.png`;
  

  // Transformar a RGBA, png // Así lo espera OpenAI
  await sharp(imageBuffer)
    .png()
    .ensureAlpha()
    .toFile(path.join(folderPath, imageNamePng));

  return path.join(folderPath, imageNamePng);

}

Gracias profesor!!