Add VariantData::getOrAddMember()

src/ArduinoJson/Variant/VariantData.hpp

@@ -183,6 +183,19 @@ class VariantData {
     return slotData(object->get(key));
   }
 
+  template <typename TAdaptedString>
+  VariantData* getOrAddMember(TAdaptedString key, MemoryPool* pool) {
+    if (key.isNull())
+      return nullptr;
+    auto obj = isNull() ? &toObject() : asObject();
+    if (!obj)
+      return nullptr;
+    auto slot = obj->get(key);
+    if (slot)
+      return slot->data();
+    return collectionAddMember(obj, key, pool);
+  }
+
   bool isArray() const {
     return (flags_ & VALUE_IS_ARRAY) != 0;
   }

src/ArduinoJson/Variant/VariantFunctions.hpp

@@ -173,15 +173,9 @@ VariantData* variantGetMember(const VariantData* var, TAdaptedString key) {
 template <typename TAdaptedString>
 VariantData* variantGetOrAddMember(VariantData* var, TAdaptedString key,
                                    MemoryPool* pool) {
-  if (!var || key.isNull())
+  if (!var)
     return nullptr;
-  auto obj = var->isNull() ? &var->toObject() : var->asObject();
+  return var->getOrAddMember(key, pool);
-  if (!obj)
-    return nullptr;
-  auto slot = obj->get(key);
-  if (slot)
-    return slot->data();
-  return collectionAddMember(obj, key, pool);
 }
 
 template <typename TAdaptedString>