Support blob download

[johannesjo]

I'm using this method to allow for specifying download data in the web frontend: https://gist.github.com/danallison/3ec9d5314788b337b682

But using it leads to this error #27

Would be nice if you would support this method as well.

[HemalR]

Possible workaround which seems to be working for me:

const url = URL.createObjectURL(blob);

[bmxpc7]

Possible workaround which seems to be working for me:

const url = URL.createObjectURL(blob);

Thank you very much my friend, I was looking for this since two days ago, thank God I got here.