Support schemas with array of types (#1017)

* Add support for array of types

* Add example for multiple types

Author: MarcL01

demo/examples/petstore-1.0.0.yaml

@@ -242,10 +242,14 @@ paths:
               properties:
                 name:
                   description: Updated name of the pet
-                  type: string
+                  type:
+                    - string
+                    - "null"
                 status:
                   description: Updated status of the pet
-                  type: string
+                  type:
+                    - string
+                    - "null"
     delete:
       tags:
         - pet

packages/docusaurus-theme-openapi-docs/src/theme/SchemaItem/index.tsx

@@ -195,7 +195,9 @@ export default function SchemaItem(props: Props) {
         >
           {name}
         </strong>
-        <span className="openapi-schema__name"> {schemaName}</span>
+        <span className="openapi-schema__name">
+          {Array.isArray(schemaName) ? schemaName.join(" | ") : schemaName}
+        </span>
         {(nullable || required || deprecated) && (
           <span className="openapi-schema__divider"></span>
         )}