make diff between two folder, gen patch file what describe the difference of folders
npm install node-folder-diffmake diff between two folder or zip, gen patch file what describe the difference of folders
support Asynchronous
support bsdiff
``shell`
npm install node-folder-diff
`javascript``
var diff = require('node-folder-diff');
diff.diff(old_folder_path, new_folder_path, {bsdiff : true}).then(function(archive){
var output = fs.createWriteStream(...);
archive.pipe(output);
});