fix(plugins): avoid converting array to object when tracking atomics …

…within a transaction Re: #14340
Automattic · Feb 9, 2024 · 4261e9f · 4261e9f
1 parent c9877b6
commit 4261e9f
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/plugins/trackTransaction.js b/lib/plugins/trackTransaction.js
@@ -85,7 +85,12 @@ function mergeAtomics(destination, source) {
     destination.$addToSet = (destination.$addToSet || []).concat(source.$addToSet);
   }
   if (source.$set != null) {
-    destination.$set = Object.assign(destination.$set || {}, source.$set);
+    if (Array.isArray(destination.$set || []) && Array.isArray(source.$set || [])) {
+      destination.$set = (destination.$set || []).concat(source.$set);
+    } else {
+      destination.$set = Object.assign(destination.$set || {}, source.$set);
+    }
+
   }
 
   return destination;