index.js

const path = require("node:path");
const express = require("express");
const compression = require("compression");
const commandLineArgs = require("command-line-args");
const commandLineUsage = require("command-line-usage");

// return big ints as string when using JSON.stringify
BigInt.prototype.toJSON = function () {
	return this.toString();
};

const optionsList = [
	{
		name: "help",
		alias: "h",
		type: Boolean,
		description: "Display this usage guide.",
	},
	{
		name: "port",
		type: Number,
		description: "Port to serve web ui and api from.",
	},
];

// parse command line args
const options = commandLineArgs(optionsList);

// show help
if (options.help) {
	const usage = commandLineUsage([
		{
			header: "Meshtastic Map",
			content: "A map of all Meshtastic nodes heard via MQTT.",
		},
		{
			header: "Options",
			optionList: optionsList,
		},
	]);
	console.log(usage);
	process.exit(0);
}

// get options and fallback to default values
const port = options.port ?? 80;

const app = express();

// enable compression
app.use(compression());

// serve files inside the public folder from /
app.use("/", express.static(path.join(__dirname, "public")));

app.get("/", async (req, res) => {
	res.sendFile(path.join(__dirname, "public/index.html"));
});

app.get("/text-messages/embed", async (req, res) => {
	res.sendFile(path.join(__dirname, "public/text-messages-embed.html"));
});

// start express server
const listener = app.listen(port, () => {
	const port = listener.address().port;
	console.log(`Server running at http://127.0.0.1:${port}`);
});