How to define custom scalars with kotlin plugin ?

[zDudaHang]

Hi !

In the project I'm working on, we have some scalars associated with java.time classes like LocalDateTime and Instant, and I wanted to map them to these classes with the scalars config, but the java.time classes are not imported. I tried using the add plugin to add an import java.time.*, but the import ended up on top of the package definition, causing an error

Am I configuring the plugin correctly? I have been working on this package a little while ago

My schema:

(...)
scalar LocalDateTime
scalar Instant
scalar Long

input AppointmentQueryInput {
    userId: Long
    time: LocalDateTime
}
(...)

The codegen.yml:

(...)
    plugins:
      - kotlin
    config:
      listType: List
      scalars:
        Long: Long
        LocalDateTime: java.time#LocalDateTime
        Instant: java.time#Instant

The generated class:

data class AppointmentQueryInput(
    val time: LocalDateTime? = null,
    val userId: Long? = null
) {
  constructor(args: Map<String, Any>) : this(
      args["time"] as LocalDateTime?,
      args["userId"] as Long?
  )
}

Thank you for your help!

PS. Thank you for this package! ❤️