Update index.js

index.js

@@ -1,5 +1,7 @@
 import { createRequire } from 'module';
 import os from 'os';
+import { fileURLToPath } from "url";
+
 const require = createRequire(import.meta.url);
 const express = require("express");
 const fs = require("fs");
@@ -9,6 +11,8 @@ const bodyParser = require("body-parser");
 const app = express();
 const PORT = 7860;
 const fss = fs.promises;
+import { fileTypeFromBuffer } from "file-type";
+let __dirname = path.dirname(fileURLToPath(import.meta.url));
 
 app.use(bodyParser.json());