feat: add a monitoring script to restart the server on changes

Author: Jboucly

package.json

@@ -43,7 +43,7 @@
 		"lint:prettier": "prettier . --write",
 		"prepare": "[ -f node_modules/.bin/husky ] && husky || echo no husky installed.",
 		"server": "node ./serveronly",
-		"server:dev": "nodemon",
+		"server:watch": "node serveronly/watcher.js",
 		"start": "node --run start:x11",
 		"start:dev": "node --run start:x11 -- dev",
 		"start:wayland": "WAYLAND_DISPLAY=\"${WAYLAND_DISPLAY:=wayland-1}\" ./node_modules/.bin/electron js/electron.js --enable-features=UseOzonePlatform --ozone-platform=wayland",

serveronly/watcher.js

@@ -0,0 +1,49 @@
+const { spawn } = require("child_process");
+const fs = require("fs");
+const path = require("path");
+const Log = require("../js/logger");
+
+let child = null;
+let restartTimer = null;
+
+/**
+ * Start the server process
+ */
+function startServer () {
+	child = spawn("npm", ["run", "server"], { stdio: "inherit" });
+
+	child.on("exit", (code) => {
+		Log.info(`Changes detected : ${code}`);
+		Log.info("Restarting server...");
+		startServer();
+	});
+}
+
+/**
+ * Watch a directory for changes and restart the server on change
+ * @param dir
+ */
+function watchDir (dir) {
+	fs.watch(dir, { recursive: true }, (_eventType, filename) => {
+		if (!filename) return;
+
+		if (dir.includes("modules") && !filename.endsWith("node_helper.js")) return;
+
+		if (restartTimer) clearTimeout(restartTimer);
+
+		restartTimer = setTimeout(() => {
+			Log.info(`Changes detected in ${dir}: ${filename} — restarting...`);
+			if (child) child.kill("SIGTERM");
+		}, 500);
+	});
+}
+
+startServer();
+watchDir(path.join(__dirname, "..", "config"));
+watchDir(path.join(__dirname, "..", "modules"));
+
+process.on("SIGINT", () => {
+	if (restartTimer) clearTimeout(restartTimer);
+	if (child) child.kill("SIGTERM");
+	process.exit(0);
+});