file-detect

node-file-detect

Detect file type.

Usage

var fd = require("file-detect");
fd.is("/example/sample.png", ".png", function(err, isPNG){
    // some more code with the result
});

Supported file type

• .png
• .jpg
• .gif
• .bmp
• .bz
• .gz
• .zip

Reference

1. http://en.wikipedia.org/wiki/List_of_file_signatures
2. http://stackoverflow.com/a/8475542/1778658
3. http://www.astro.keele.ac.uk/oldusers/rno/Computing/File_magic.html