cross-zip 
install
npm install cross-zip
usage
var zip = require('cross-zip')
var inPath = path.join(__dirname, 'myFolder') // folder to zip
var outPath = path.join(__dirname, 'myFile.zip') // name of output zip file
zip.zipSync(inPath, outPath)
api
zip.zip(inPath, outPath, [callback])
Zip the folder at inPath and save it to a .zip file at outPath. If a callback
is passed, then it is called with an Error or null.
zip.zipSync(inPath, outPath)
Sync version of zip.zip.
zip.unzip(inPath, outPath, [callback])
Unzip the .zip file at inPath into the folder at outPath. If a callback is
passed, then it is called with an Error or null.
zip.unzipSync(inPath, outPath)
Sync version of zip.unzip.
Windows users
This package requires .NET Framework 4.5 or later
and Powershell 3.
These come pre-installed on Windows 8 or later.
On Windows 7 or earlier, you will need to install these manually in order for
cross-zip to function correctly.
reference
license
MIT. Copyright (c) Feross Aboukhadijeh.