[BUG] Typescript-fetch generator cannot handle Java FileUploads?

[klabast]

Description

When creating a typescript-fetch API client, it seems OpenAPI Generator cannot handle Java FileUploads correctly. The generated code contains an objectToJSON function that does not exist and therefore the client code fails. When using a List, the generated code does not contain a missing function, but fails nonetheless

openapi-generator version

latest, happens on older ones as well.

OpenAPI declaration file content or url

Here is a minimal reproducer:

https://github.com/klabast/openapi-reproducer

{
  "openapi" : "3.0.3",
  "info" : {
    "title" : "backend API",
    "version" : "1.0-SNAPSHOT"
  },
  "paths" : {
    "/api/something/upload" : {
      "post" : {
        "tags" : [ "Some Api" ],
        "requestBody" : {
          "content" : {
            "multipart/form-data" : {
              "schema" : {
                "type" : "object",
                "properties" : {
                  "uploadFile" : {
                    "$ref" : "#/components/schemas/FileUpload"
                  }
                }
              }
            }
          }
        },
        "responses" : {
          "200" : {
            "description" : "OK",
            "content" : {
              "text/plain" : {
                "schema" : {
                  "type" : "string"
                }
              }
            }
          }
        }
      }
    }
  },
  "components" : {
    "schemas" : {
      "FileUpload" : {
        "type" : "object"
      }
    }
  }
}

Generation Details

openapi-generator-cli generate -i http://localhost:8080/q/openapi.json -g typescript-fetch -o ./src/api/generated/

Steps to reproduce

All documented in the reproducer.

Related issues/PRs

Perhaps https://github.com/OpenAPITools/openapi-generator/issues/17731

[wsdt]

Yes having the same issue..

[klabast]

@wsdt did you manage to resolve this issue? sadly, i wasn't yet. not really in the mood to mess with post-processing or so...

Edit: Seems to be related to https://github.com/OpenAPITools/openapi-generator/issues/4119

[wsdt]

@wsdt did you manage to resolve this issue? sadly, i wasn't yet. not really in the mood to mess with post-processing or so...

Edit: Seems to be related to #4119

not yet unfortunately!