swagger-api / swagger-api/swagger-codegen
[Kotlin] empty data class generated for type refs of additionalProperties
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Description
Description
The Kotlin generator creates data class Bar (
) {
} which is invalid
where bar is of type object with properties {} and additionalProperties true
Expected behavior:
I would suggest Bar should be a TypeAlias to Any
Swagger-codegen version
3.0.8
Swagger declaration file content or url
https://gist.github.com/andymoody/3007694856b36ddc2a406c2445d8b705
Command line used for generation
swagger-codegen generate -i [file] -l kotlin-server -o /tmp/test/
Steps to reproduce
Related issues/PRs
There are a plethora of them for other languages, e.g. https://github.com/swagger-api/swagger-codegen/issues/9439 but none for Kotlin
Suggest a fix/enhancement
Types with no properties should map as a TypeAlias to Any
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the Swagger declaration at the linked gist and run the documented swagger-codegen generate command using the kotlin-server generator. Inspect the generated Bar model for an object with no properties and additionalProperties: true; done means the output is valid Kotlin and follows the expected Any mapping.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- kotlin
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100