Create server/server.js

server/server.js

@@ -0,0 +1,35 @@
+import express from 'express';
+import cors from 'cors';
+import { GoogleGenAI } from "@google/genai";
+
+const app = express();
+app.use(cors());
+app.use(express.json());
+
+const PORT = process.env.PORT || 7860;
+
+app.post('/api/translate', async (req, res) => {
+  const { inputCode, outputLanguage } = req.body;
+  if (!inputCode || !outputLanguage) return res.status(400).json({ error: 'Missing input' });
+
+  try {
+    const ai = new GoogleGenAI({ apiKey: process.env.GEMINI_API_KEY });
+    const prompt = `Translate code to ${outputLanguage} only, no markdown:\n${inputCode}`;
+    
+    const stream = await ai.models.generateContentStream({
+      model: 'gemini-3-flash-preview',
+      contents: prompt,
+      config: { systemInstruction: "Only output raw code, no explanations." }
+    });
+
+    let full = '';
+    for await (const chunk of stream) full += chunk.text || '';
+    const displayCode = full.replace(/^```\w*\n?/, '').replace(/```$/, '');
+    res.json({ code: displayCode });
+  } catch (e) {
+    console.error(e);
+    res.status(500).json({ error: 'Generation failed' });
+  }
+});
+
+app.listen(PORT, () => console.log(`Server running on port ${PORT}`));