Fix crud uploads for websockets

Author: simolus3

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.2.2
+
+* Supabase: Avoid creating `Json` serializers multiple times.
+* Fix local writes not being uploaded correctly when using WebSockets as a transport protocol.
+
 ## 1.2.1
 
 * [Supabase Connector] Fixed issue where only `400` HTTP status code errors where reported as connection errors. The connector now reports errors for codes `>=400`.

core/src/commonMain/kotlin/com/powersync/sync/SyncStream.kt

@@ -424,13 +424,13 @@ internal class SyncStream(
         }
 
         private suspend fun line(text: String) {
-            triggerCrudUploadIfFirstLine()
             control("line_text", text)
+            triggerCrudUploadIfFirstLine()
         }
 
         private suspend fun line(blob: ByteArray) {
-            triggerCrudUploadIfFirstLine()
             control("line_binary", blob)
+            triggerCrudUploadIfFirstLine()
         }
 
         private suspend fun connect(start: Instruction.EstablishSyncStream) {