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import fs from 'fs';
import http from 'http';
import https from 'https';
import send from 'send';
import enableDestroy from 'server-destroy';
import { fileURLToPath } from 'url';
interface CreateServerOptions {
client: URL;
port: number;
host: string | undefined;
removeBase: (pathname: string) => string;
}
export function createServer(
{ client, port, host, removeBase }: CreateServerOptions,
handler: http.RequestListener
) {
const listener: http.RequestListener = (req, res) => {
if (req.url) {
let pathname = removeBase(req.url);
pathname = pathname[0] === '/' ? pathname : '/' + pathname;
pathname = new URL(pathname, `http://${host}:${port}`).pathname;
const stream = send(req, encodeURI(decodeURI(pathname)), {
root: fileURLToPath(client),
dotfiles: pathname.startsWith('/.well-known/') ? 'allow' : 'deny',
});
let forwardError = false;
stream.on('error', (err) => {
if (forwardError) {
// eslint-disable-next-line no-console
console.error(err.toString());
res.writeHead(500);
res.end('Internal server error');
return;
}
// File not found, forward to the SSR handler
handler(req, res);
});
stream.on('file', () => {
forwardError = true;
});
stream.pipe(res);
} else {
handler(req, res);
}
};
let httpServer:
| http.Server<typeof http.IncomingMessage, typeof http.ServerResponse>
| https.Server<typeof http.IncomingMessage, typeof http.ServerResponse>;
if (process.env.SERVER_CERT_PATH && process.env.SERVER_KEY_PATH) {
httpServer = https.createServer(
{
key: fs.readFileSync(process.env.SERVER_KEY_PATH),
cert: fs.readFileSync(process.env.SERVER_CERT_PATH),
},
listener
);
} else {
httpServer = http.createServer(listener);
}
httpServer.listen(port, host);
enableDestroy(httpServer);
// Resolves once the server is closed
const closed = new Promise<void>((resolve, reject) => {
httpServer.addListener('close', resolve);
httpServer.addListener('error', reject);
});
return {
host,
port,
closed() {
return closed;
},
server: httpServer,
stop: async () => {
await new Promise((resolve, reject) => {
httpServer.destroy((err) => (err ? reject(err) : resolve(undefined)));
});
},
};
}
|
