[Gradle, JS] Extract hack for Native and JS IR compiler

- IR to klib compiler needs all dependencies (including transitive implementations)
- move hack from native to common with extracting to protected fun

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinTargetConfigurator.kt

@@ -206,6 +206,19 @@ abstract class AbstractKotlinTargetConfigurator<KotlinTargetType : KotlinTarget>
         }
     }
 
+    @Deprecated("Remove when IR compiler to klib will not need transitive implementation dependencies")
+    protected fun implementationToApiElements(target: KotlinTargetType) {
+        val configurations = target.project.configurations
+
+        // The configuration and the main compilation are created by the base class.
+        val mainCompilation = target.compilations.getByName(KotlinCompilation.MAIN_COMPILATION_NAME)
+        configurations.getByName(target.apiElementsConfigurationName).apply {
+            //  K/N and K/JS IR compiler doesn't divide libraries into implementation and api ones. So we need to add implementation
+            // dependencies into the outgoing configuration.
+            extendsFrom(configurations.getByName(mainCompilation.implementationConfigurationName))
+        }
+    }
+
     override fun configureBuild(target: KotlinTargetType) {
         val project = target.project
 

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrTargetConfigurator.kt

@@ -62,4 +62,9 @@ open class KotlinJsIrTargetConfigurator(kotlinPluginVersion: String) :
             }
         }
     }
+
+    override fun defineConfigurationsForTarget(target: KotlinJsIrTarget) {
+        super.defineConfigurationsForTarget(target)
+        implementationToApiElements(target)
+    }
 }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/KotlinNativeTargetConfigurator.kt

@@ -324,15 +324,7 @@ open class KotlinNativeTargetConfigurator<T : KotlinNativeTarget>(
 
     override fun defineConfigurationsForTarget(target: T) {
         super.defineConfigurationsForTarget(target)
-        val configurations = target.project.configurations
-
-        // The configuration and the main compilation are created by the base class.
-        val mainCompilation = target.compilations.getByName(MAIN_COMPILATION_NAME)
-        configurations.getByName(target.apiElementsConfigurationName).apply {
-            //  K/N compiler doesn't divide libraries into implementation and api ones. So we need to add implementation
-            // dependencies into the outgoing configuration.
-            extendsFrom(configurations.getByName(mainCompilation.implementationConfigurationName))
-        }
+        implementationToApiElements(target)
     }
 
     private fun warnAboutIncorrectDependencies(target: KotlinNativeTarget) = target.project.whenEvaluated {