Is there a known bug with Compose for web and inheritance? I have something like

interface Parent {
  @Composable
  fun render(...)
}

class Child {
  @Composable
  override fun render(...)
}

Calling the

render

function on a child leads to:

Uncaught TypeError: $localVariable.render$composable_49qbjn_k$ is not a function
    at eval (Navigation.kt?fd6e:149:17)

After inspecting the object, its prototype has a

'render_4kj0y7_k$'

function. Did something go wrong when Compose/Kotlin mangled the object? Adding

@JvmName("render")

to the parent class changes the function name in the error message, but it doesn't change which functions the object implements (its prototype still has `'render_4kj0y7_k$'`and not

'render'

)

Are you running the compiler against both source files? Are they in the same compilation unit or separate?

They are both in the same Gradle project, however the interface is in

commonMain

and the implementation is in

jsMain

KotlinJs had a mangling issue on 1.6.20 (fixed on 1.6.21) but looks like you're on 1.5.31 (not sure if this version also had mangling issues, but maybe worth trying an upgrade).

@CLOVIS thanks for reporting. https://github.com/JetBrains/compose-jb/issues/2067 - here I added a more simple repro sample.

@Grégory Lureau I should be on 1.6.21. Maybe you looked at the

main

branch (no problems there)? Otherwise, there might be something wrong in the config somewhere