kkleidal/static_server.js

## static_server.js
var http = require("http"),
    url = require("url"),
    path = require("path"),
    fs = require("fs")

function wrapHTML(html) {
  return "<!DOCTYPE html><html><body>" + html + "</body></html>\n";
}

function serveIndex(response, rootPath, localPath, cb) {
  fs.readdir(path.join(rootPath, localPath), function(err, files) {
    if (err) {
      serveError(response, 500, "Could not read directory contents.");
      return;
    }
    list = "<ul>";
    for (var i = 0; i < files.length; ++i) {
      list += "<li><a href='" + path.join(localPath, files[i]) + "'>" + files[i] + "</a></li>";
    }
    list += "</ul>";
    serveSuccess(response, "<h1>" + localPath + "</h1>" + list);
  });
}

function serveSuccess(response, body) {
  response.writeHead(200, {"Content-Type": "text/html"});
  response.write(wrapHTML(body));
  response.end();
}

function serveError(response, code, message) {
  response.writeHead(code, {"Content-Type": "text/html"});
  response.write(wrapHTML("<h1>" + code + ": " + message + "</h1>\n"));
  response.end();
}

function getURI(request) {
  return decodeURIComponent(url.parse(request.url, true).path.replace(/\+/g, ' '))
}

function getRequestHandler(rootPath) {
  return function handleRequest(request, response) {

    var uri = getURI(request)
      , filename = path.join(rootPath, uri);

    fs.exists(filename, function(exists) {
      if(!exists) {
        serveError(response, 404, "Not found");
        return;
      }

      if (fs.statSync(filename).isDirectory()) {
        serveIndex(response, rootPath, uri, function() {});
        return;
      }


      var readStream = fs.createReadStream(filename);
      response.writeHead(200);
      readStream.pipe(response);

    });
  };
}

function main() {
  if (process.argv.length != 4 && process.argv.length != 3) {
    console.error("Usage:  PORT [PATH]");
    return;
  }
  port = 8888;
  try {
    port = parseInt(process.argv[2], 10);
  } catch (e) {
    console.error("Usage:  PORT [PATH].  Could not parse port.");
    return;
  }
  rootPath = process.cwd();
  if (process.argv.length == 4) {
    rootPath = process.argv[3];
  }
  http.createServer(getRequestHandler(rootPath)).listen(port);
}

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

	function wrapHTML(html) {
	return "<!DOCTYPE html><html><body>" + html + "</body></html>\n";
	}

	function serveIndex(response, rootPath, localPath, cb) {
	fs.readdir(path.join(rootPath, localPath), function(err, files) {
	if (err) {
	serveError(response, 500, "Could not read directory contents.");
	return;
	}
	list = "<ul>";
	for (var i = 0; i < files.length; ++i) {
	list += "<li><a href='" + path.join(localPath, files[i]) + "'>" + files[i] + "</a></li>";
	}
	list += "</ul>";
	serveSuccess(response, "<h1>" + localPath + "</h1>" + list);
	});
	}

	function serveSuccess(response, body) {
	response.writeHead(200, {"Content-Type": "text/html"});
	response.write(wrapHTML(body));
	response.end();
	}

	function serveError(response, code, message) {
	response.writeHead(code, {"Content-Type": "text/html"});
	response.write(wrapHTML("<h1>" + code + ": " + message + "</h1>\n"));
	response.end();
	}

	function getURI(request) {
	return decodeURIComponent(url.parse(request.url, true).path.replace(/\+/g, ' '))
	}

	function getRequestHandler(rootPath) {
	return function handleRequest(request, response) {

	var uri = getURI(request)
	, filename = path.join(rootPath, uri);

	fs.exists(filename, function(exists) {
	if(!exists) {
	serveError(response, 404, "Not found");
	return;
	}

	if (fs.statSync(filename).isDirectory()) {
	serveIndex(response, rootPath, uri, function() {});
	return;
	}


	var readStream = fs.createReadStream(filename);
	response.writeHead(200);
	readStream.pipe(response);

	});
	};
	}

	function main() {
	if (process.argv.length != 4 && process.argv.length != 3) {
	console.error("Usage: PORT [PATH]");
	return;
	}
	port = 8888;
	try {
	port = parseInt(process.argv[2], 10);
	} catch (e) {
	console.error("Usage: PORT [PATH]. Could not parse port.");
	return;
	}
	rootPath = process.cwd();
	if (process.argv.length == 4) {
	rootPath = process.argv[3];
	}
	http.createServer(getRequestHandler(rootPath)).listen(port);
	}

	main();