build-and-serve.ts

1	import esbuild from 'esbuild';
2	import http from 'http';
3	import { serveOptions, buildOptions, hostPort, clearOutDir } from './settings'
4
5	clearOutDir();
6
7	esbuild.serve(serveOptions, buildOptions).then((result) => {
8	const { host, port } = result;
9	http
10	.createServer((req, res) => {
11	const options: http.RequestOptions = {
12	hostname: host,
13	port: port,
14	path: req.url,
15	method: req.method,
16	headers: req.headers,
17	};
18	const proxyReq = http.request(options, (proxyRes) => {
19	if (proxyRes.statusCode === 404) {
20	res.writeHead(404, { 'Content-Type': 'text/html' });
21	res.end('<h1>A custom 404 page</h1>');
22	return;
23	}
24
25	res.writeHead(proxyRes.statusCode!, proxyRes.headers);
26	proxyRes.pipe(res, { end: true });
27	});
28
29	req.pipe(proxyReq, { end: true });
30	})
31	.listen(hostPort, () => {
32	const url = `http://localhost:${hostPort}/`;
33	// childProcess.exec(`start ${url}`);
34	console.log(`Server serving at ${url}`);
35	});
36	});