[Typescript] Kiota fails when generating code for oneOfs

[andreaTP]

Provided an OpenAPI using oneOf and discriminators like this:

openapi: 3.0.0
info:
  title: "Discriminator API"
  version: "1.0.0"
servers:
  - url: https://mytodos.doesnotexist/
paths:
  /discriminateme:
    get:
      description: Return something
      responses:
        "200":
          description: OK
          content:
            application/json:
              schema:
                oneOf:
                  - $ref: "#/components/schemas/Object1"
                  - $ref: "#/components/schemas/Object2"
                discriminator:
                  propertyName: objectType
                  mapping:
                    obj1: "#/components/schemas/Object1"
                    obj2: "#/components/schemas/Object2"
components:
  schemas:
    Object1:
      type: object
      required:
        - objectType
      properties:
        objectType:
          type: string
        one:
          type: string
    Object2:
      type: object
      required:
        - objectType
      properties:
        objectType:
          type: string
        two:
          type: string

using a command:

kiota generate -l typescript -n client -d openapi.yaml -o ./tmp --clean-output

You get the error message:

crit: Kiota.Builder.KiotaBuilder[0]
      error generating the client: Unable to find factory method for Object1

and the generation fails.

Found in the context of #4433

[andrueastman]

@andreaTP Any chance you'll be able to take a look at this similar to #4433?

[baywet]

expected as #1812 is not implemented yet.
Closing

[andreaTP]

Are we closing as duplicate?

[baywet]

That was my idea unless I missed something?

[andreaTP]

That's fine by me as soon as we cover this use-case 👍