From c8abebaf5a16feee710522cd30e223fcda648cd6 Mon Sep 17 00:00:00 2001
From: Nikolas Rimikis <rimikis.nikolas@gmail.com>
Date: Wed, 19 Apr 2023 10:52:00 +0200
Subject: [PATCH] fix discriminator types

---
 packages/dynamite/lib/src/openapi_builder.dart | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/dynamite/lib/src/openapi_builder.dart b/packages/dynamite/lib/src/openapi_builder.dart
index 3337f9f5..0fab86be 100644
--- a/packages/dynamite/lib/src/openapi_builder.dart
+++ b/packages/dynamite/lib/src/openapi_builder.dart
@@ -1770,6 +1770,11 @@ TypeResult resolveType(
                           'result.${fields[result.name]!} = ${result.deserialize('data', toBuilder: true)};',
                         ],
                       ] else ...[
+                        if (schema.discriminator != null) ...[
+                          'if (data is! Map<String, dynamic>) {',
+                          "throw StateError('discriminator is only supported for serializing Json like data.');",
+                          '}',
+                        ],
                         for (final result in results) ...[
                           if (schema.discriminator != null) ...[
                             "if (data['${schema.discriminator!.propertyName}'] == '${result.name.replaceFirst(state.prefix, '')}'",