Function startStaticJsServer

packages/react-server-cli/src/commands/start.js:131–171

(compiler, port, bindIp, longTermCaching, httpsOptions)

// static compiled JavaScript. returns an object with two properties, started and stop;
// see the default function doc for explanation.
const startStaticJsServer = (compiler, port, bindIp, longTermCaching, httpsOptions) => {
	const server = express();
	const httpServer = httpsOptions ? https.createServer(httpsOptions, server) : http.createServer(server);
	return {
		stop: serverToStopPromise(httpServer),
		started: new Promise((resolve, reject) => {
			compiler.run((err, stats) => {
				const error = handleCompilationErrors(err, stats);
				if (error) {
					reject(error);
					return;
				}

				if (stats) {
					logger.debug("Successfully compiled static JavaScript.");
				}

				// TODO: make this parameterized based on what is returned from compileClient
				server.use('/', compression(), express.static(`__clientTemp/build`, {
					maxage: longTermCaching ? '365d' : '0s',
				}));
				logger.info("Starting static JavaScript server...");

				httpServer.on('error', (e) => {
					console.error("Error starting up JS server");
					console.error(e);
					reject(e)
				});
				httpServer.listen(port, bindIp, (e) => {
					if (e) {
						reject(e);
						return;
					}

					logger.info(`Started static JavaScript server over ${httpsOptions ? "HTTPS" : "HTTP"} on ${bindIp}:${port}`);
					resolve();
				});
			});
		}),
	};
};

// given a webpack compiler and a port, start a webpack dev server that is ready
// for hot reloading at http://localhost:port/. note that the webpack compiler