In Safari browser exported data shown as unknown file

[praveenks29]

i am trying to export data in different formats its working fine in chrome , firefox , opera and IE but while trying to download it in Safari its downloading the file as unknown file.

i am using filesaver.js url as blob:https://.../base64 value , file type as unknown data .

Need your Inputs how to resolve it .

[SheetJSDev]

eligrey/FileSaver.js#12 has some recommendations, but by and large this is a Safari browser problem outside of our control.