Use parse.com JS API in Titanium mobile

localStorage.js

module.exports = {
    getItem : function(_key) {
        return Ti.App.Properties.getObject(_key);
    },
    setItem : function(_key, _value) {
        return Ti.App.Properties.setObject(_key, _value);
    },
    removeItem : function(_key, _value) {
        return Ti.App.Properties.removeProperty(_key);
    }
};

somewhere.js

var Parse = require("parse").Parse;
Parse.initialize(app_id, javascript_key);

xmlhttprequest.js

function XMLHttpRequest() {
	this._client = Ti.Network.createHTTPClient({
        autoEncodeUrl: false,
        timeout: 5000
    });
    var _this = this;
    
    this._client.onreadystatechange = function() {
    	_this._onreadystatechange();
    };

    this._client.onerror = function() {
    	_this.onerror();
    };
};

XMLHttpRequest.prototype = {
	open: function(method, url, async) {
		this._client.open(method, url, async);
	},
	setRequestHeader: function(key, value) {
		this._client.setRequestHeader(key, value);
	},
	send: function(data) {
		this._client.send(data);
	},
	_onreadystatechange: function() {
		if (this.onreadystatechange) {
			this.readyState = this._client.readyState;
			this.status = this._client.status;
			this.responseText = this._client.responseText;
			this.onreadystatechange();
		}
	},
	onerror: function() {
		if (this.onreadystatechange) {
			this.readyState = this._client.DONE;
			this.status = this._client.status;
			this.responseText = this._client.responseText;
			this.onreadystatechange();
		}
	}
}

exports.XMLHttpRequest = XMLHttpRequest;

Parse JS API: https://parse.com/downloads/javascript/parse-1.2.12.js