nilsandrey/node-static-serve.js

## node-static-serve.js
// NodeJS based directory browsing and file serve without dependencies
// Joining code from <https://stackoverflow.com/questions/16333790/node-js-quick-file-server-static-files-over-http>
var fs = require("fs"),
  http = require("http");

http
  .createServer(function (req, res) {
    // Website you wish to allow to connect
    res.setHeader("Access-Control-Allow-Origin", "*");

    // Request methods you wish to allow
    res.setHeader(
      "Access-Control-Allow-Methods",
      "GET, POST, OPTIONS, PUT, PATCH, DELETE"
    );

    // Request headers you wish to allow
    res.setHeader(
      "Access-Control-Allow-Headers",
      "X-Requested-With,content-type"
    );

    // Set to true if you need the website to include cookies in the requests sent
    // to the API (e.g. in case you use sessions)
    res.setHeader("Access-Control-Allow-Credentials", true);

    const requestItem = __dirname + req.url;
    const stats = fs.statSync(requestItem);

    if (stats.isDirectory()) {
      //Get list of files and folder in requested directory
      const lsof = fs.readdirSync(requestItem, {
        encoding: "utf8",
        withFileTypes: false,
      });
      // make an html page with the list of files and send to browser
      res.writeHead(200, { "Content-Type": "text/html; charset=utf-8" });
      res.end(html_page(req.url, lsof));
      // return;
    } else
      fs.readFile(requestItem, function (err, data) {
        if (err) {
          res.writeHead(404);
          res.end(JSON.stringify(err));
          return;
        }
        res.writeHead(200);
        res.end(data);
      });
  })
  .listen(8086);

function html_page(req_url, lsof) {
  //this is a Function declarations can be called before it is defined
  // Add link to root directory and parent directory if not already in root directory
  const list = req_url == "/" ? [] : [`<a href=/>/</a>`, `<a href=../>..</a>`];

  const template = (file) => {
    // the above is a Function expressions cannot be called before it is defined
    return `<a href=${encodeURI(req_url)}${
      req_url.slice(-1) == "/" ? "" : "/"
    }${encodeURI(file)}>${file}</a>`;
  };

  // Add all the links to the files and folder in requested directory
  lsof.forEach((file) => {
    list.push(template(file));
  });

  return `
<!DOCTYPE html>
<html lang="en">
<head>
  <meta http-equiv="content-type" content="text/html" charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Directory of ${req_url}</title>
</head>
<body>
<h2>Directory of ${req_url}</h2>
${list.join("<br/>\n")}
</body>
</html>`;
}
	// NodeJS based directory browsing and file serve without dependencies
	// Joining code from <https://stackoverflow.com/questions/16333790/node-js-quick-file-server-static-files-over-http>
	var fs = require("fs"),
	http = require("http");

	http
	.createServer(function (req, res) {
	// Website you wish to allow to connect
	res.setHeader("Access-Control-Allow-Origin", "*");

	// Request methods you wish to allow
	res.setHeader(
	"Access-Control-Allow-Methods",
	"GET, POST, OPTIONS, PUT, PATCH, DELETE"
	);

	// Request headers you wish to allow
	res.setHeader(
	"Access-Control-Allow-Headers",
	"X-Requested-With,content-type"
	);

	// Set to true if you need the website to include cookies in the requests sent
	// to the API (e.g. in case you use sessions)
	res.setHeader("Access-Control-Allow-Credentials", true);

	const requestItem = __dirname + req.url;
	const stats = fs.statSync(requestItem);

	if (stats.isDirectory()) {
	//Get list of files and folder in requested directory
	const lsof = fs.readdirSync(requestItem, {
	encoding: "utf8",
	withFileTypes: false,
	});
	// make an html page with the list of files and send to browser
	res.writeHead(200, { "Content-Type": "text/html; charset=utf-8" });
	res.end(html_page(req.url, lsof));
	// return;
	} else
	fs.readFile(requestItem, function (err, data) {
	if (err) {
	res.writeHead(404);
	res.end(JSON.stringify(err));
	return;
	}
	res.writeHead(200);
	res.end(data);
	});
	})
	.listen(8086);

	function html_page(req_url, lsof) {
	//this is a Function declarations can be called before it is defined
	// Add link to root directory and parent directory if not already in root directory
	const list = req_url == "/" ? [] : [`<a href=/>/</a>`, `<a href=../>..</a>`];

	const template = (file) => {
	// the above is a Function expressions cannot be called before it is defined
	return `<a href=${encodeURI(req_url)}${
	req_url.slice(-1) == "/" ? "" : "/"
	}${encodeURI(file)}>${file}</a>`;
	};

	// Add all the links to the files and folder in requested directory
	lsof.forEach((file) => {
	list.push(template(file));
	});

	return `
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta http-equiv="content-type" content="text/html" charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Directory of ${req_url}</title>
	</head>
	<body>
	<h2>Directory of ${req_url}</h2>
	${list.join("<br/>\n")}
	</body>
	</html>`;
	}