[Gradle, JS] Add possibility to not add js compiler attribute on publish

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

@@ -425,11 +425,13 @@ fun Configuration.usesPlatformOf(target: KotlinTarget): Configuration {
         else -> setJavaTargetEnvironmentAttributeIfSupported(target.project, "non-jvm")
     }
 
-    if (target is KotlinJsTarget) {
+    val publishJsCompilerAttribute = PropertiesProvider(target.project).publishJsCompilerAttribute
+
+    if (publishJsCompilerAttribute && target is KotlinJsTarget) {
         attributes.attribute(KotlinJsCompilerAttribute.jsCompilerAttribute, KotlinJsCompilerAttribute.legacy)
     }
 
-    if (target is KotlinJsIrTarget && target.platformType == KotlinPlatformType.js) {
+    if (publishJsCompilerAttribute && target is KotlinJsIrTarget && target.platformType == KotlinPlatformType.js) {
         attributes.attribute(KotlinJsCompilerAttribute.jsCompilerAttribute, KotlinJsCompilerAttribute.ir)
     }
 

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/PropertiesProvider.kt

@@ -430,6 +430,12 @@ internal class PropertiesProvider private constructor(private val project: Proje
     val jsCompiler: KotlinJsCompilerType?
         get() = this.property(jsCompilerProperty)?.let { KotlinJsCompilerType.byArgumentOrNull(it) }
 
+    /**
+     * Use Kotlin/JS backend compiler publishing attribute
+     */
+    val publishJsCompilerAttribute: Boolean
+        get() = this.booleanProperty("$jsCompilerProperty.publish.attribute") ?: true
+
     /**
      * Use Webpack 4 for compatibility
      */