update to run on nested object too

purge_unused_strings.sh

@@ -11,18 +11,39 @@ then
     exit
 fi
 
-# Get the keys from the JSON file
+# Recursive function to check for keys in nested JSON objects
+check_keys() {
+    local keys="$1"
+    local parent_key="$2"
+    for key in $keys
+    do
+        local full_key=""
+        if [[ -z $parent_key ]]; then
+            full_key="$key"
+        else
+            full_key="$parent_key.$key"
+        fi
+        local children_keys=$(jq -r --arg key "$key" 'select(.[$key] | type == "object") | .[$key] | keys[]' "$json_file_path")
+        if [ -n "$children_keys" ]; then
+            # check first if the key is not in the ignore list
+            check_keys "$children_keys" "$full_key"
+        else 
+            if ! grep -rqE "'$full_key'|\"$full_key\"" "$folder_path"; then
+                # Remove the key from the JSON file
+                # echo the command to remove the key from the JSON file
+                jq "del(.$(echo $full_key | sed 's/\./"."/g' | sed 's/^/"/' | sed 's/$/"/'))" "$json_file_path" > "$json_file_path.tmp" && mv "$json_file_path.tmp" "$json_file_path"
+                echo "Removing key \"$full_key\" from the JSON file"
+            else
+                echo "Key \"$full_key\" is being used."
+            fi
+        fi
+    done
+}
+
+# Get the top-level keys from the JSON file
 keys=$(jq -r 'keys[]' "$json_file_path")
 
-# Loop through the keys
-for key in $keys
-do
-    # Check if the key is present in any of the files in the folder
-    grep -rqE "'$key'|\"$key\""  "$folder_path"
-    if [ $? -ne 0 ]
-    then
-        echo "$key is not present as a string in any of the files in the folder"
-        # Remove the key from the JSON file
-        jq "del(.\"$key\")" "$json_file_path" > "$json_file_path.tmp" && mv "$json_file_path.tmp" "$json_file_path"
-    fi
-done
+# Loop through the keys and recursively check for nested keys
+check_keys "$keys" ""
+
+echo "Done checking for missing keys."