2 files changed, 22 insertions, 0 deletions
diff --git a/src/corelib/serialization/qjsonarray.cpp b/src/corelib/serialization/qjsonarray.cpp
index 1187bb03a3..5ba83c41b9 100644
--- a/src/corelib/serialization/qjsonarray.cpp
+++ b/src/corelib/serialization/qjsonarray.cpp
@@ -1259,5 +1259,22 @@ QDebug operator<<(QDebug dbg, const QJsonArray &a)
 }
 #endif
 
+#ifndef QT_NO_DATASTREAM
+QDataStream &operator<<(QDataStream &stream, const QJsonArray &array)
+{
+    QJsonDocument doc{array};
+    stream << doc.toJson(QJsonDocument::Compact);
+    return stream;
+}
+
+QDataStream &operator>>(QDataStream &stream, QJsonArray &array)
+{
+    QJsonDocument doc;
+    stream >> doc;
+    array = doc.array();
+    return stream;
+}
+#endif
+
 QT_END_NAMESPACE
 
diff --git a/src/corelib/serialization/qjsonarray.h b/src/corelib/serialization/qjsonarray.h
index 5dff4a0aa9..0a17951fb7 100644
--- a/src/corelib/serialization/qjsonarray.h
+++ b/src/corelib/serialization/qjsonarray.h
@@ -271,6 +271,11 @@ Q_CORE_EXPORT uint qHash(const QJsonArray &array, uint seed = 0);
 Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonArray &);
 #endif
 
+#ifndef QT_NO_DATASTREAM
+Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QJsonArray &);
+Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QJsonArray &);
+#endif
+
 QT_END_NAMESPACE
 
 #endif // QJSONARRAY_H