Function startHotLoadJsServer

packages/react-server-cli/src/commands/start.js:177–203

(compiler, port, bindIp, longTermCaching, httpsOptions)

// must have been configured correctly for hot reloading. returns an object with
// two properties, started and stop; see the default function doc for explanation.
const startHotLoadJsServer = (compiler, port, bindIp, longTermCaching, httpsOptions) => {
	logger.info("Starting hot reload JavaScript server...");
	const compiledPromise = new Promise((resolve) => compiler.plugin("done", () => resolve()));
	const jsServer = new WebpackDevServer(compiler, {
		noInfo: true,
		hot: true,
		headers: { 'Access-Control-Allow-Origin': '*' },
		https: !!httpsOptions,
		key: httpsOptions ? httpsOptions.key : undefined,
		cert: httpsOptions ? httpsOptions.cert : undefined,
		ca: httpsOptions ? httpsOptions.ca : undefined,
	});
	const serverStartedPromise = new Promise((resolve, reject) => {
		jsServer.listen(port, bindIp, (e) => {
			if (e) {
				reject(e);
				return;
			}
			resolve();
		});
	});
	return {
		stop: serverToStopPromise(jsServer),
		started: Promise.all([compiledPromise, serverStartedPromise])
			.then(() => logger.info(`Started hot reload JavaScript server over ${httpsOptions ? "HTTPS" : "HTTP"} on ${bindIp}:${port}`)),
	};
};

// for when you need to run the JavaScript compiler (in order to get the chunk file
// names for the server routes file) but don't really want to actually up a JavaScript