Add support for writeOnly

Signed-off-by: Elias Meire <elias@meire.dev>

Author: elsmr

packages/openapi-to-graphql/src/schema_builder.ts

@@ -621,6 +621,11 @@ function createFields<TSource, TContext, TArgs>({
       continue
     }
 
+    // writeOnly fields should not be included for non-Input types
+    if (!isInputObjectType && fieldSchema?.writeOnly) {
+      continue
+    }
+
     // Get object type describing the property
     const objectType = getGraphQLType({
       def: fieldTypeDefinition,

packages/openapi-to-graphql/src/types/oas3.ts

@@ -35,6 +35,7 @@ export type SchemaObject = {
   oneOf?: (SchemaObject | ReferenceObject)[]
   not?: (SchemaObject | ReferenceObject)[]
   readOnly?: boolean
+  writeOnly?: boolean
 }
 
 export type ReferenceObject = {