thelounge/index.js

#!/usr/bin/env node

"use strict";

process.chdir(__dirname);

// Perform node version check before loading any other files or modules
// Doing this check as soon as possible allows us to
// avoid ES6 parser errors or other issues
const pkg = require("./package.json");

if (!require("semver").satisfies(process.version, pkg.engines.node)) {
	/* eslint-disable no-console */
	console.error(
		"The Lounge requires Node.js " +
			pkg.engines.node +
			" (current version: " +
			process.version +
			")"
	);
	console.error("Please upgrade Node.js in order to use The Lounge");
	console.error("See https://thelounge.chat/docs/install-and-upgrade");
	console.error();

	process.exit(1);
}

const fs = require("fs");

if (fs.existsSync("./dist/server/index.js")) {
	require("./dist/server/index.js");
} else {
	console.error(
		"Files in ./dist/server/ not found. Please run `yarn build` before trying to run `node index.js`."
	);

	process.exit(1);
}