Configure from and configurations for org.jetbrains.kotlin.multiplatform

Author: Goooler

src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/ShadowJavaPlugin.kt

@@ -24,6 +24,7 @@ import org.gradle.api.plugins.JavaPlugin
 import org.gradle.api.tasks.TaskContainer
 import org.gradle.api.tasks.TaskProvider
 import org.gradle.plugin.devel.plugins.JavaGradlePluginPlugin
+import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
 
 public abstract class ShadowJavaPlugin @Inject constructor(
   private val softwareComponentFactory: SoftwareComponentFactory,
@@ -52,8 +53,6 @@ public abstract class ShadowJavaPlugin @Inject constructor(
           task.manifest.attributes[classPathAttributeKey] = attrs.joinToString(" ").trim()
         }
       }
-      task.from(sourceSets.named("main").map { it.output })
-      task.configurations.convention(listOf(runtimeConfiguration))
       task.exclude(
         "META-INF/INDEX.LIST",
         "META-INF/*.SF",
@@ -63,6 +62,19 @@ public abstract class ShadowJavaPlugin @Inject constructor(
         "META-INF/versions/**/module-info.class",
         "module-info.class",
       )
+
+      if (plugins.hasPlugin("org.jetbrains.kotlin.multiplatform")) {
+        val kmpExtension = extensions.getByType(KotlinMultiplatformExtension::class.java)
+        val kotlinJvmMain = kmpExtension.jvm().compilations.named("main")
+
+        task.from(kotlinJvmMain.map { it.output.allOutputs })
+        task.configurations.convention(
+          provider { listOf(configurations.getByName(kotlinJvmMain.get().runtimeDependencyConfigurationName)) },
+        )
+      } else {
+        task.from(sourceSets.named("main").map { it.output })
+        task.configurations.convention(provider { listOf(runtimeConfiguration) })
+      }
     }
     artifacts.add(configurations.shadow.name, taskProvider)
   }