html5mode friendly node server

var http = require("http");
var fs = require("fs");
var mime = require("mime");

function isSpecificFile(path){
  var regex = /^\/(bower_components|css|img|js|partials)\/.*/;
  return regex.test(path);
}

function onRequest(request, response) {
  console.log("Received request: " + request.url);
  if(isSpecificFile(request.url)){
    fs.readFile("app/" + request.url,function(error,data){
      if(error){
        response.writeHead(404,{"Content-type":"text/plain"});
        response.end("Sorry the page was not found");
      }
      else{
        response.writeHead(202,{"Content-type": mime.lookup(request.url)});
        response.end(data);
      }
    });
  }
  else{
    fs.readFile("app/index.html",function(error,data){
      if(error){
        response.writeHead(404,{"Content-type":"text/plain"});
        response.end("Sorry the page was not found");
      }
      else{
        response.writeHead(202,{"Content-type":"text/html"});
        response.end(data);
      }
    });
  }
}

http.createServer(onRequest).listen(8000);
console.log("Server has started.");