feat: implement fileManager utility with project setup, sanitization

apps/backend/README.md

@@ -92,8 +92,9 @@ The server will start on port 3000 by default (configurable via environment vari
 | Endpoint | Method | Description | Request Body | Response |
 |----------|--------|-------------|--------------|----------|
 | `/api/compile` | POST | Compiles Rust code to WASM | `{ code: string }` | `{ success: boolean, output: string, error?: string }` |
-| `/api/test` | POST | Runs tests for Rust code | `{ code: string }` | `{ success: boolean, output: string, error?: string }` |
 | `/api/health` | GET | Server health check | None | `{ status: "ok" }` |
+| `/api/test` | POST | Runs tests for Rust code | `{ code: string }` | `{ success: boolean, output: string, error?: string }` |
+| `/api/test-filemanager` | POST | Test fileManager utilities | `{ baseName?: string, rustCode?: string }` | `{ success: boolean, sanitizedName: string, tempDir: string, message: string }` |
 
 ## Security Measures
 
@@ -130,7 +131,7 @@ backend/
 │   │   ├── compile.controller.ts
 │   │   └── test.controller.ts
 │   ├── utils/
-│   │   ├── file.utils.ts
+│   │   ├── fileManager.ts
 │   │   └── process.utils.ts
 │   ├── services/
 │   │   ├── compilation.service.ts

apps/backend/package.json

@@ -28,7 +28,7 @@
   "private": true,
   "scripts": {
     "dev": "bun run --watch src/index.ts",
-    "build": "bun build src/index.ts --outdir ./dist",
+    "build": "bun build src/index.ts --outdir ./dist --target node",
     "lint": "bun eslint src/**/*.ts",
     "format": "bun prettier --write 'src/**/*.ts'"
   },

apps/backend/src/index.ts

@@ -1,6 +1,48 @@
 import express from 'express';
+import { setupProject, getSanitizedDirName, createRustProject } from './utils/fileManager';
+
 const app = express();
+app.use(express.json());
+
 app.get('/', (_, res) =>
   res.send('Hello from Backend!' + '<br>' + 'The best online soroban compiler is coming...')
 );
+
+// Test endpoint for fileManager functionality
+app.post('/api/test-filemanager', async (req, res) => {
+  try {
+    const {
+      baseName = 'test-project',
+      rustCode = 'pub fn hello() -> &\'static str { "Hello, Soroban!" }',
+    } = req.body;
+
+    // Test sanitization
+    const sanitized = getSanitizedDirName(baseName);
+
+    // Test project setup
+    const project = await setupProject({ baseName });
+
+    // Test Rust project creation
+    await createRustProject(project.tempDir, rustCode);
+
+    // Success response
+    const response = {
+      success: true,
+      sanitizedName: sanitized,
+      tempDir: project.tempDir,
+      message: 'FileManager test completed successfully - Rust project created and cleaned up',
+    };
+
+    // Cleanup
+    await project.cleanup();
+
+    res.json(response);
+  } catch (error) {
+    res.status(500).json({
+      success: false,
+      error: error instanceof Error ? error.message : 'Unknown error',
+    });
+  }
+});
+
 app.listen(3000, () => console.log('Server on http://localhost:3000'));