Node.js: Simple XML API requests

XmlPoster.js

var request = require('request');
var assign = require('lodash.assign');

var XmlPoster = function(options) {
  this.url = options.url;
  this.headers = options.headers || {};
};
XmlPoster.prototype.request = function(body) {
  var me = this;
  var xmlConfig = {
    url: me.url,
    headers: assign({
      'Content-Type': 'text/xml'
    }, me.headers),
    body: body
  };
  
  return new Promise(function(resolve, reject) {
    request.post(
      xmlConfig,
      function (err, response, body) {
        if (err) {
          reject(err);
        } else {
          resolve({
            response: response,
            body: body
          });
        }
      }
    );
  });
};

module.exports = XmlPoster;