How to convert blob file to images in Nodejs

Question

I am storing files in SQL Server database as filestream datatype and it returns a blob. I am using nodejs with express. Is there a way to convert these blobs to images and send it to my ejs template using nodejs and express?

Answer 1

const blobToImage = (blob) => {
  return new Promise(resolve => {
    const url = URL.createObjectURL(blob)
    let img = new Image()
    img.onload = () => {
      URL.revokeObjectURL(url)
      resolve(img)
    }
    img.src = url
  })
}