[Wasm] Add kotlin wasm gradle attribute

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

@@ -45,6 +45,7 @@ import org.jetbrains.kotlin.gradle.report.BuildMetricsService
 import org.jetbrains.kotlin.gradle.plugin.statistics.BuildFlowService
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsCompilerAttribute
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsPlugin
+import org.jetbrains.kotlin.gradle.targets.js.KotlinWasmTargetAttribute
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.DefaultUnameExecutorVariantFactory
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.UnameExecutor
 import org.jetbrains.kotlin.gradle.targets.js.npm.addNpmDependencyExtension
@@ -198,6 +199,7 @@ abstract class DefaultKotlinBasePlugin : KotlinBasePlugin {
         KotlinPlatformType.setupAttributesMatchingStrategy(this)
         KotlinUsages.setupAttributesMatchingStrategy(this, isKotlinGranularMetadata)
         KotlinJsCompilerAttribute.setupAttributesMatchingStrategy(project.dependencies.attributesSchema)
+        KotlinWasmTargetAttribute.setupAttributesMatchingStrategy(project.dependencies.attributesSchema)
         ProjectLocalConfigurations.setupAttributesMatchingStrategy(this)
         CInteropKlibLibraryElements.setupAttributesMatchingStrategy(this)
     }

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

@@ -29,6 +29,7 @@ import org.jetbrains.kotlin.gradle.plugin.internal.artifactTypeAttribute
 import org.jetbrains.kotlin.gradle.plugin.mpp.*
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsCompilerAttribute
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsTarget
+import org.jetbrains.kotlin.gradle.targets.js.KotlinWasmTargetAttribute
 import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinJsIrTarget
 import org.jetbrains.kotlin.gradle.targets.jvm.KotlinJvmTarget
 import org.jetbrains.kotlin.gradle.tasks.locateOrRegisterTask
@@ -434,8 +435,12 @@ fun Configuration.usesPlatformOf(target: KotlinTarget): Configuration {
         attributes.attribute(KotlinJsCompilerAttribute.jsCompilerAttribute, KotlinJsCompilerAttribute.legacy)
     }
 
-    if (publishJsCompilerAttribute && target is KotlinJsIrTarget && target.platformType == KotlinPlatformType.js) {
+    if (publishJsCompilerAttribute && target is KotlinJsIrTarget) {
-        attributes.attribute(KotlinJsCompilerAttribute.jsCompilerAttribute, KotlinJsCompilerAttribute.ir)
+        if (target.platformType == KotlinPlatformType.js) {
+            attributes.attribute(KotlinJsCompilerAttribute.jsCompilerAttribute, KotlinJsCompilerAttribute.ir)
+        } else {
+            attributes.attribute(KotlinWasmTargetAttribute.wasmTargetAttribute, KotlinWasmTargetAttribute.js)
+        }
     }
 
     // TODO: Provide an universal way to copy attributes from the target.

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/KotlinWasmCompilerAttribute.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.targets.js
+
+import org.gradle.api.Named
+import org.gradle.api.attributes.*
+import java.io.Serializable
+
+// For Gradle attributes
+@Suppress("EnumEntryName")
+enum class KotlinWasmTargetAttribute : Named, Serializable {
+    js;
+
+    override fun getName(): String =
+        name
+
+    override fun toString(): String =
+        getName()
+
+    companion object {
+        val wasmTargetAttribute = Attribute.of(
+            "org.jetbrains.kotlin.wasm.target",
+            KotlinWasmTargetAttribute::class.java
+        )
+
+        fun setupAttributesMatchingStrategy(attributesSchema: AttributesSchema) {
+            attributesSchema.attribute(wasmTargetAttribute)
+        }
+    }
+}