Create app.js

app.js

@@ -0,0 +1,30 @@
+const express = require('express');
+const path = require('path');
+const fs = require('fs');
+const app = express();
+const PORT = 3000;
+
+app.use(express.static(path.join(__dirname, 'public')));
+
+function getFiles(directoryPath) {
+    let results = [];
+    const list = fs.readdirSync(directoryPath);
+    list.forEach(file => {
+        const filePath = path.join(directoryPath, file);
+        const stat = fs.statSync(filePath);
+        if (stat && stat.isDirectory()) {
+            results = results.concat(getFiles(filePath));
+        } else {
+            results.push(filePath.replace(__dirname, ''));
+        }
+    });
+    return results;
+}
+
+app.get('/file-list', (req, res) => {
+    res.json(getFiles(__dirname));
+});
+
+app.listen(PORT, () => {
+    console.log(`Server running on http://localhost:${PORT}`);
+});