tst.js

function(ctx, args)
{
    var s = #s.scripts.lib()

    var getDumpsFor = (arg) => {
        var dumps = []
        for (var key in arg) {
            dumps.push(s.dump( arg[key] ))
        }
        return dumps
    }

    var x = getDumpsFor(args.first)
    var y = getDumpsFor(args.second)
    var z = getDumpsFor(args.third.nested)

    return { x, y, z }
}