hagevvashi/2020-11-24-advent-calendar-2020-server-minimum-implementation.ts

## 2020-11-24-advent-calendar-2020-server-minimum-implementation.ts
import http from "http";
import url from "url";

const [, , flag, port] = process.argv;
if (flag !== "-p") throw new Error("Error! must specify port number.");

const server = http.createServer();

server.on("request", (req, res) => {
  const { pathname } = url.parse(req.url);
  if (!pathname) throw new Error("Error! pathname is null.");

  res.writeHead(200, { "Content-Type": "text/html;charset=utf-8" });
  res.write(`
<!doctype html>
<html>
  <head>
    <title>Hello World</title>
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1"/>
    <meta charset="UTF-8">
  </head>
  <body>
    <div id="app"></div>
  </body>
</html>
  `);
  res.end();
});

server.listen(port);
process.stdout.write("server start.\n");
process.stdout.write(`Available on ${port}\n`);
	import http from "http";
	import url from "url";

	const [, , flag, port] = process.argv;
	if (flag !== "-p") throw new Error("Error! must specify port number.");

	const server = http.createServer();

	server.on("request", (req, res) => {
	const { pathname } = url.parse(req.url);
	if (!pathname) throw new Error("Error! pathname is null.");

	res.writeHead(200, { "Content-Type": "text/html;charset=utf-8" });
	res.write(`
	<!doctype html>
	<html>
	<head>
	<title>Hello World</title>
	<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1"/>
	<meta charset="UTF-8">
	</head>
	<body>
	<div id="app"></div>
	</body>
	</html>
	`);
	res.end();
	});

	server.listen(port);
	process.stdout.write("server start.\n");
	process.stdout.write(`Available on ${port}\n`);