commit 015

src/App.js

@@ -11,7 +11,8 @@ export default function App() {
   const [loading, setLoading] = useState(false);
 
   const detectLanguage = (filename) => {
-  const ext = filename.split('.').pop();
+  if (!filename || typeof filename !== "string") return "";
+  const ext = filename.split('.').pop().toLowerCase();
   switch (ext) {
     case "js": return "javascript";
     case "py": return "python";
@@ -65,7 +66,7 @@ export default function App() {
         <ChatBox messages={messages} loading={loading}/>
         <div className="buttons">
           <FileUpload onCodeParsed={(code, filename) => {
-    const lang = detectLanguage(filename.name);
+    const lang = detectLanguage(filename);
     const formatted = `\`\`\`${lang}\n${code}\n\`\`\``;
     setLastCode(formatted);
     setMessages((prev) => [

src/components/FileUpload.jsx

@@ -9,7 +9,10 @@ export default function FileUpload({ onCodeParsed }) {
 
     const reader = new FileReader();
     reader.onload = () => {
-      onCodeParsed(reader.result);
+      const code = reader.result;
+      if (typeof onCodeParsed === "function") {
+        onCodeParsed(code, file.name); // ✅ pass both code and filename
+      }
     };
     reader.readAsText(file);
   };