src/pages/InvoiceOut/InvoiceOutGlobalForm.vue

@@ -26,14 +26,9 @@ const clientsOptions = ref([]);
 const serialTypesOptions = ref([]);
 
 const handleInvoiceOutSerialsFetch = (data) => {
-    const uniqueTypes = new Set();
-    serialTypesOptions.value = data.filter((item) => {
-        if (item.type === null || uniqueTypes.has(item.type)) {
-            return false;
-        }
-        uniqueTypes.add(item.type);
-        return true;
-    });
+    serialTypesOptions.value = Array.from(
+        new Set(data.map((item) => item.type).filter((type) => type))
+    );
 };
 
 const formData = ref({});