pthrasher · November 25, 2015 21:58
diff --git a/gistfile1.js b/gistfile1.js
 /*jshint node:true*/

 var http        = require('http');
 var fs          = require('fs');
 var url         = require('url');
 var querystring = require('querystring');

 var head = fs.readFileSync('head.html','UTF-8');
 //<head>
 //    <meta charset="utf-8">
 //
 //    <script type="text/javascript">
 //        (function () {
 //            var src = '/layoutInfo?reqId='+ {{requestId}} + 
 //              '&width=' + document.documentElement.clientWidth + 
 //              '&height=' + document.documentElement.clientHeight;
 //
 //            document.write('<script type="text/javascript" src="'+src+'" ></'+'script>')
 //        })()
 //    </script>
 //</head>


 var uidHelper = 0;

 var pendingReq = {};

 function resolveReqId(id, layoutInfo) {
    if (pendingReq[id]) {
        pendingReq[id](null, layoutInfo);
        delete pendingReq[id];
    } 
 }

 function waitReqId(id, callback) {
    pendingReq[id] = callback;
 }


 http.createServer(function (req, res) {
    console.log(req.url);
    if (req.url === '/') {
        res.writeHead(200, {'Content-Type': 'text/html'});
        var reqId = (uidHelper++);
        res.write(head.replace(/{{requestId}}/g, reqId));
        
        waitReqId(reqId, function (err, layouInfo) {
            res.write('<body>');
            res.write('<pre>' + JSON.stringify(layouInfo) + '</pre>');
            res.end('</body>');
        });
        
    } else if (req.url.indexOf('/layoutInfo' === 0)) {
        var info = url.parse(req.url);
        if (info && info.query ) {
            var query = querystring.parse(info.query);
            resolveReqId(query.reqId, {width: query.width, height: query.height});
        }
        
        res.writeHead(200, {'Content-Type': 'application/json'});
        res.end('');
    }
 }).listen(3000);
	/jshint node:true/

	var http = require('http');
	var fs = require('fs');
	var url = require('url');
	var querystring = require('querystring');

	var head = fs.readFileSync('head.html','UTF-8');
	//<head>
	// <meta charset="utf-8">
	//
	// <script type="text/javascript">
	// (function () {
	// var src = '/layoutInfo?reqId='+ {{requestId}} +
	// '&width=' + document.documentElement.clientWidth +
	// '&height=' + document.documentElement.clientHeight;
	//
	// document.write('<script type="text/javascript" src="'+src+'" ></'+'script>')
	// })()
	// </script>
	//</head>


	var uidHelper = 0;

	var pendingReq = {};

	function resolveReqId(id, layoutInfo) {
	if (pendingReq[id]) {
	pendingReq[id](null, layoutInfo);
	delete pendingReq[id];
	}
	}

	function waitReqId(id, callback) {
	pendingReq[id] = callback;
	}


	http.createServer(function (req, res) {
	console.log(req.url);
	if (req.url === '/') {
	res.writeHead(200, {'Content-Type': 'text/html'});
	var reqId = (uidHelper++);
	res.write(head.replace(/{{requestId}}/g, reqId));

	waitReqId(reqId, function (err, layouInfo) {
	res.write('<body>');
	res.write('<pre>' + JSON.stringify(layouInfo) + '</pre>');
	res.end('</body>');
	});

	} else if (req.url.indexOf('/layoutInfo' === 0)) {
	var info = url.parse(req.url);
	if (info && info.query ) {
	var query = querystring.parse(info.query);
	resolveReqId(query.reqId, {width: query.width, height: query.height});
	}

	res.writeHead(200, {'Content-Type': 'application/json'});
	res.end('');
	}
	}).listen(3000);