Reduce diff noise when saving maps

CHANGELOG.md

@@ -35,6 +35,7 @@ The **"Breaking Changes"** listed below are changes that have been made in the d
 - `Export Map Stitch Image` now shows a preview of the full image, not just the current map.
 - Maps and layouts were internally separated.
 - Unrecognized map names in Event or Connections data will no longer be overwritten.
+- Reduced diff noise when saving maps.
 - Map names and ``MAP_NAME`` constants are no longer required to match.
 - Porymap will no longer overwrite ``include/constants/map_groups.h`` or ``include/constants/layouts.h``.
 

src/lib/orderedjson.cpp

@@ -116,6 +116,10 @@ static void dump(const QString &value, QString &out, int *indent, bool isKey = f
 static void dump(const Json::array &values, QString &out, int *indent) {
     bool first = true;
     if (!out.endsWith(": ")) out += QString(*indent * 2, ' ');
+    if (values.empty()) {
+        out += "[]";
+        return;
+    }
     out += "[\n";
     *indent += 1;
     for (const auto &value : values) {

src/project.cpp

@@ -1297,7 +1297,7 @@ void Project::saveMap(Map *map) {
         }
         mapObj["connections"] = connectionsArr;
     } else {
-        mapObj["connections"] = QJsonValue::Null;
+        mapObj["connections"] = OrderedJson();
     }
 
     if (map->sharedEventsMap().isEmpty()) {