From e785058a82a7d484b8ad33c4964c0d565b20c4b6 Mon Sep 17 00:00:00 2001
From: Steven Serrata <9343811+sserrata@users.noreply.github.com>
Date: Fri, 24 Jan 2025 10:32:41 -0500
Subject: [PATCH] add support for json schema null type (#1068)

---
 demo/examples/petstore-3.1.yaml                             | 4 +++-
 .../src/theme/SchemaItem/index.tsx                          | 6 +++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/demo/examples/petstore-3.1.yaml b/demo/examples/petstore-3.1.yaml
index ab1322af6..693798248 100644
--- a/demo/examples/petstore-3.1.yaml
+++ b/demo/examples/petstore-3.1.yaml
@@ -1077,7 +1077,9 @@ components:
             - $ref: "#/components/schemas/Category"
         name:
           description: The name given to a pet
-          type: string
+          type:
+            - string
+            - "null"
           example: Guru
         photoUrls:
           description: The list of URL to a cute photos featuring pet
diff --git a/packages/docusaurus-theme-openapi-docs/src/theme/SchemaItem/index.tsx b/packages/docusaurus-theme-openapi-docs/src/theme/SchemaItem/index.tsx
index 65984c318..fa2091e32 100644
--- a/packages/docusaurus-theme-openapi-docs/src/theme/SchemaItem/index.tsx
+++ b/packages/docusaurus-theme-openapi-docs/src/theme/SchemaItem/index.tsx
@@ -72,9 +72,13 @@ export default function SchemaItem(props: Props) {
     enumDescriptions = transformEnumDescriptions(schema["x-enumDescriptions"]);
     defaultValue = schema.default;
     example = schema.example;
-    nullable = schema.nullable;
+    nullable =
+      schema.nullable ||
+      (Array.isArray(schema.type) && schema.type.includes("null")); // support JSON Schema nullable
   }
 
+  console.log(schema);
+
   const renderRequired = guard(
     Array.isArray(required) ? required.includes(name) : required,
     () => <span className="openapi-schema__required">required</span>