Update static/script.js

static/script.js

@@ -79,16 +79,20 @@ document.addEventListener('DOMContentLoaded', () => {
         })
         .then(response => {
             if (!response.ok) {
-                return response.json().then(err => { throw new Error(err.error) });
+                return response.json().then(err => { throw new Error(err.error || 'Unknown error occurred') });
             }
             return response.blob();
         })
         .then(blob => {
+            if (blob.size === 0) {
+                throw new Error('Received empty file from server');
+            }
             const url = URL.createObjectURL(blob);
             result.style.display = 'block';
             audioPlayer.src = url;
             downloadLink.href = url;
             downloadLink.download = isDecrypting ? 'deconverted_file.wav' : 'converted_file.mp3';
+            console.log('File processed successfully. Size:', blob.size, 'bytes');
         })
         .catch(error => {
             console.error('Error:', error);