pull-identify-filetype

Identifies the file-type passing through the stream using the magic-number signatures at the start of the file.

var pull = require('pull-stream')
var identify = require('pull-identify-filetype')
 
pull(
  /* source */
  identify(function (type) {
    console.log(type) // => string | false
  }),
  /* sink */
)

Supported types:

jpg png gif bmp tif tif nif ico psd rar zip gz tar msi iso rtf avi mov wmv wma swf flv mid pdf doc docx mp3 svg html

Tested:

tif pdf psd gif jpg png bmp tif ico rar docx gz tar doc rtf mov svg html