Prevent missing regex_patterns (#15)

scripts/utils/file_utils.py

@@ -0,0 +1,29 @@
+import json
+import os
+
+
+def iterate_json_files(input_dir):
+    """
+    Generator that yields (file_path, file_stem, data) tuples for all JSON files
+    in the input directory and its subdirectories.
+
+    Args:
+        input_dir: Directory to search for JSON files
+
+    Yields:
+        Tuple of (file_path, file_stem, data) where:
+        - file_path: Full path to the JSON file
+        - file_stem: Filename without extension
+        - data: Parsed JSON data
+    """
+    for root, _, files in os.walk(input_dir):
+        for filename in sorted(files):
+            if not filename.endswith(".json"):
+                continue
+
+            file_path = os.path.join(root, filename)
+            file_stem = os.path.splitext(filename)[0]
+            with open(file_path, encoding="utf-8") as f:
+                data = json.load(f)
+
+            yield file_path, file_stem, data