Nodejs HTTP Server Create http.createServer(function(req,res)

Method Source Code

var fs = require("fs"),
   http = require("http"),
   path = require("path"),
   querystring = require("querystring"),
   url = require("url");

var extensions = [".html",".ico",".css",".js",".img"];

String.prototype.endsWith = function(str){
   return this.substr(this.length - str.length) === str;
}

function isStaticResource(path){
   return extensions.some(function(extn){
      return path.endsWith(extn);
   });//from  w  w w.j  av a  2 s .  c om
}
var tasks = [
   {id : 1, name : "Learn jQuery", isCompleted : false},
   {id : 2, name : "Explore JavaScript", isCompleted : false},
   {id : 3, name : "Master AngularJs", isCompleted : false},
];

var server = http.createServer(function(req,res){
   var urlPath = url.parse(req.url).pathname
      filePath = path.join(__dirname,urlPath); 

   if (isStaticResource(filePath)){
      if (fs.existsSync(filePath)){
         console.log(filePath, " - served..");
         fs.createReadStream(filePath).pipe(res);
      } else {
         console.log(filePath, " - not found..");
         res.statusCode = 404;
         res.end();
      }
   } else {
      if (urlPath === '/tasks'){
         setTimeout(function(){
            res.write(JSON.stringify(tasks));
            res.end();
         }, 1000);
      }
   }
});

server.listen(9090);
console.log("Server running on port 9090");