Error in compose js but fine in the other platforms kotlinlang #compose-web

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Error in compose-js but fine in the other platform...

# compose-web

Pablichjenkov

01/05/2023, 9:54 PM

Error in compose-js but fine in the other platforms

🐛 1

Pablichjenkov

01/05/2023, 9:59 PM

I have the following composable function:

Copy code

@Composable
fun BackPressHandler(onBackPressed: () -> Unit) {
  ...
  val backCallback = remember {
        object : BackPressedCallback() {
            override fun onBackPressed() {
                currentOnBackPressed()
            }
        }
    }
  ...

}

and throws this exception when compiling it:

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java.lang.IllegalStateException: Not found Idx for com.pablichj.incubator.uistate3.node/BackPressHandler$composable|8444751713610266539[0]
	at org.jetbrains.kotlin.backend.common.serialization.IrFileDeserializer.loadTopLevelDeclarationProto(IrFileDeserializer.kt)
	at org.jetbrains.kotlin.backend.common.serialization.IrFileDeserializer.deserializeDeclaration(IrFileDeserializer.kt:40)
	at org.jetbrains.kotlin.backend.common.serialization.FileDeserializationState.deserializeAllFileReachableTopLevel(IrFileDeserializer.kt:135)
	at org.jetbrains.kotlin.backend.common.serialization.ModuleDeserializationState.deserializeReachableDeclarations(BasicIrModuleDeserializer.kt:178)
	at org.jetbrains.kotlin.backend.common.serialization.BasicIrModuleDeserializer.deserializeReachableDeclarations(BasicIrModuleDeserializer.kt:145)
	at org.jetbrains.kotlin.backend.common.serialization.KotlinIrLinker.deserializeAllReachableTopLevels(KotlinIrLinker.kt:111)
	at org.jetbrains.kotlin.backend.common.serialization.KotlinIrLinker.findDeserializedDeclarationForSymbol(KotlinIrLinker.kt:129)
	at org.jetbrains.kotlin.backend.common.serialization.KotlinIrLinker.deserializeOrResolveDeclaration(KotlinIrLinker.kt:169)
	at org.jetbrains.kotlin.backend.common.serialization.KotlinIrLinker.getDeclaration(KotlinIrLinker.kt:158)
	at org.jetbrains.kotlin.ir.util.ExternalDependenciesGeneratorKt.getDeclaration(ExternalDependenciesGenerator.kt:57)
	at org.jetbrains.kotlin.ir.util.ExternalDependenciesGenerator.generateUnboundSymbolsAsDependencies(ExternalDependenciesGenerator.kt:44)
	at org.jetbrains.kotlin.ir.backend.js.KlibKt.getIrModuleInfoForKlib(klib.kt:391)
	at org.jetbrains.kotlin.ir.backend.js.KlibKt.loadIr(klib.kt:334)
	at org.jetbrains.kotlin.ir.backend.js.CompilerKt.compile(compiler.kt:66)
	at org.jetbrains.kotlin.ir.backend.js.CompilerKt.compile$default(compiler.kt:49)
	at org.jetbrains.kotlin.cli.js.K2JsIrCompiler.doExecute(K2JsIrCompiler.kt:392)
	at org.jetbrains.kotlin.cli.js.K2JSCompiler.doExecute(K2JSCompiler.java:183)
	at org.jetbrains.kotlin.cli.js.K2JSCompiler.doExecute(K2JSCompiler.java:72)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:94)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:43)
	at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:101)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:1642)
	at jdk.internal.reflect.GeneratedMethodAccessor84.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
	at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:587)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:705)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:704)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)

if I replace the

object: {}

anonymous object instantiation with

Copy code

val backCallback = remember {
        ForwardBackPressCallback {
            currentOnBackPressed()
        }
        
    }

everything works fine. Is that a bug or just the way compose-JS currently work, or something else on my side?

01/05/2023, 10:09 PM

Bug. I have this too and refactored to avoid.

Nick Donnelly

01/05/2023, 10:38 PM

Can confirm I'm seeing the same behavior.

Pablichjenkov

01/05/2023, 10:58 PM

Ah good to know. Has anyone reported yet? I can take the stab

01/05/2023, 11:07 PM

I haven't, but it's on my (long) list

01/05/2023, 11:07 PM

Would happily star someone else's bug

Pablichjenkov

01/05/2023, 11:22 PM

😁 soon as I got a chance

01/09/2023, 3:38 PM

I made a reproducer and it made me realize that I misremembered my bug and that ours are different

01/09/2023, 3:38 PM

So mine is https://issuetracker.google.com/issues/264799026 but you should file one too

Pablichjenkov

01/10/2023, 12:39 AM

Thanks buddy, I already hit

+1

on the google issue tracker. Just posted this one on the compose-jb github repo. https://github.com/JetBrains/compose-jb/issues/2615

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