refactor: improve server startup logic and enhance error handling; update command loader to prevent cache issues

Author: mrepol742

src/components/server.ts

@@ -1,15 +1,33 @@
 import http from "http";
 import log from "./utils/log";
 
-const port = process.env.PORT || 3000;
+const DEFAULT_PORT = process.env.PORT ? Number(process.env.PORT) : 3000;
+const MAX_PORT_TRIES = 10;
 
-const server = http.createServer((req, res) => {
-  res.writeHead(200, { "Content-Type": "text/plain" });
-  res.end("Bot is running\n");
-});
+function startServer(port: number, tries = 0) {
+  const server = http.createServer((req, res) => {
+    res.writeHead(200, { "Content-Type": "text/plain" });
+    res.end("Bot is running\n");
+  });
 
-server.listen(port, () => {
-  log.info("Server", `HTTP server started on port ${port}`);
-});
+  server.listen(port, () => {
+    log.info("Server", `HTTP server started on port ${port}`);
+  });
+
+  server.on("error", (err: any) => {
+    if (err.code === "EADDRINUSE" && tries < MAX_PORT_TRIES) {
+      log.warn("Server", `Port ${port} in use, trying port ${port + 1}`);
+      startServer(port + 1, tries + 1);
+    } else {
+      log.error("Server", `Failed to start server: ${err.message}`);
+      process.exit(1);
+    }
+  });
+
+  return server;
+}
+
+const port = Number(process.env.PORT) || DEFAULT_PORT;
+const server = startServer(port);
 
 export default server;

src/components/utils/loader.ts

@@ -8,10 +8,17 @@ const commandsPath = path.join(__dirname, "..", "..", "commands");
 export default function (file: string, customPath?: string) {
   if (/\.js$|\.ts$/.test(file)) {
     const filePath = path.join(customPath || commandsPath, file);
-    delete require.cache[require.resolve(filePath)];
+
+    if (require.cache[require.resolve(filePath)])
+      delete require.cache[require.resolve(filePath)];
+
     const commandModule = require(filePath);
 
-    if (typeof commandModule.default === "function") {
+    if (
+      typeof commandModule.default === "function" &&
+      commandModule.info &&
+      commandModule.info.command
+    ) {
       commands[commandModule.info.command] = {
         command: commandModule.info.command,
         description: commandModule.info.description || "No description",