dotansimha/graphql-code-generator-community

Kotlin plugin does not create __typename property in data class

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#131 opened on Jun 13, 2021

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Description

Describe the bug Kotlin types are not generated with a __typename property which breaks resolving union types.

To Reproduce Steps to reproduce the behavior:

  • Generate types using Kotlin plugin
  • I tried adding nonOptionalTypename: true but that had no effect

https://codesandbox.io/s/quizzical-star-wkmfk?file=/codegen.yml

Contributor guide

Research direction
Examine the Kotlin plugin's handling of ` typename` property generation. Verify if the `nonOptionalTypename` config option is correctly applied. Trace through union type resolution logic to see why ` typename` is missing.
Tech stack
kotlintypescript
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GraphQLKotlin
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55