Usage

var parseString = require('xml2js').parseString;
var xml = "<root>Hello xml2js!</root>"
parseString(xml, function (err, result) {
    console.dir(result);
});

var xml2js = require('xml2js');

var obj = {name: "Super", Surname: "Man", age: 23};

var builder = new xml2js.Builder();
var xml = builder.buildObject(obj);

var xml2js = require('xml2js');
var xml = '<foo></foo>';

var parser = new xml2js.Parser(/* options */);
parser.parseStringPromise(xml).then(function (result) {
  console.dir(result);
})
.catch(function (err) {
  // Failed
});