Update merge_questions.py

merge_questions.py

@@ -4,24 +4,30 @@ import json
 DATA_DIR = "data"
 OUTPUT_FILE = "questions.json"
 
-def merge_json_files():
-    all_questions = []
+def safe_load(path):
+    """Safely load a JSON file, return [] if invalid/empty."""
+    try:
+        if os.path.getsize(path) == 0:
+            return []
+        with open(path, "r", encoding="utf-8") as f:
+            return json.load(f)
+    except Exception:
+        print(f"⚠️ Error reading {path}")
+        return []
+
+def merge():
+    merged = []
     for fname in os.listdir(DATA_DIR):
         if fname.endswith(".json"):
             fpath = os.path.join(DATA_DIR, fname)
-            try:
-                with open(fpath, "r", encoding="utf-8") as f:
-                    data = json.load(f)
-                    if isinstance(data, list):
-                        all_questions.extend(data)
-            except Exception as e:
-                print(f"⚠️ Error reading {fname}: {e}")
-    with open(OUTPUT_FILE, "w", encoding="utf-8") as out:
-        json.dump(all_questions, out, ensure_ascii=False, indent=2)
-    print(f"✅ Merged {len(all_questions)} questions into {OUTPUT_FILE}")
+            merged.extend(safe_load(fpath))
+    with open(OUTPUT_FILE, "w", encoding="utf-8") as f:
+        json.dump(merged, f, ensure_ascii=False, indent=2)
+    print(f"✅ Merged {len(merged)} questions into {OUTPUT_FILE}")
 
 if __name__ == "__main__":
-    merge_json_files()
+    merge()
+