It is appeared easier than I thought
- You will need to create mypackage.nuspec file
- You need to specify your js files in files section
<files> <file src="bin\Release\some.js" target="Content\Scripts\some.js" /> </files>
- On your build server you need to run
nuget pack mypackage.nuspec -Version 1.0.0.1
Replace 1.0.0.1 with incremental build version generated by your build system