[Wasm] Publish stdlib: remove separate project

libraries/stdlib/wasm/build.gradle.kts

@@ -1,9 +1,12 @@
 import org.jetbrains.kotlin.gradle.dsl.KotlinCompile
 
 plugins {
+    `maven-publish`
     kotlin("multiplatform")
 }
 
+description = "Kotlin Standard Library for experimental WebAssembly platform"
+
 val unimplementedNativeBuiltIns =
     (file("$rootDir/core/builtins/native/kotlin/").list().toSortedSet() - file("$rootDir/libraries/stdlib/wasm/builtins/kotlin/").list())
         .map { "core/builtins/native/kotlin/$it" }
@@ -84,3 +87,36 @@ tasks.named("compileKotlinJs") {
     dependsOn(commonMainSources)
     dependsOn(builtInsSources)
 }
+
+val runtimeElements by configurations.creating {}
+val apiElements by configurations.creating {}
+
+publish {
+    pom.packaging = "klib"
+    artifact(tasks.named("jsJar")) {
+        extension = "klib"
+    }
+}
+
+afterEvaluate {
+    // cleanup default publications
+    // TODO: remove after mpp plugin allows avoiding their creation at all, KT-29273
+    publishing {
+        publications.removeAll { it.name != "Main" }
+    }
+
+    tasks.withType<AbstractPublishToMaven> {
+        if (publication.name != "Main") this.enabled = false
+    }
+
+    tasks.named("publish") {
+        doFirst {
+            publishing.publications {
+                if (singleOrNull()?.name != "Main") {
+                    throw GradleException("kotlin-stdlib-wasm should have only one publication, found $size: ${joinToString { it.name }}")
+                }
+            }
+        }
+    }
+}
+

libraries/stdlib/wasm/publish/build.gradle.kts

@@ -1,11 +0,0 @@
-description = "Kotlin Standard Library for experimental WebAssembly platform"
-
-// Using separate project to publish a single klib from multiplatform build
-
-publish {
-    artifactId = "kotlin-stdlib-wasm"
-    pom.packaging = "klib"
-    artifact(tasks.getByPath(":kotlin-stdlib-wasm:jsJar")) {
-        extension = "klib"
-    }
-}

settings.gradle

@@ -405,7 +405,6 @@ if (buildProperties.inJpsBuildIdeaSync) {
             ":kotlin-stdlib-js-ir",
             ":kotlin-stdlib-js-ir-minimal-for-test",
             ":kotlin-stdlib-wasm",
-            ":kotlin-stdlib-wasm-publish",
             ":kotlin-stdlib-jdk7",
             ":kotlin-stdlib-jdk8",
             ":kotlin-stdlib:samples",
@@ -424,7 +423,6 @@ if (buildProperties.inJpsBuildIdeaSync) {
     project(':kotlin-stdlib-js').projectDir = "$rootDir/libraries/stdlib/js-v1" as File
     project(':kotlin-stdlib-js-ir').projectDir = "$rootDir/libraries/stdlib/js-ir" as File
     project(':kotlin-stdlib-wasm').projectDir = "$rootDir/libraries/stdlib/wasm" as File
-    project(':kotlin-stdlib-wasm-publish').projectDir = "$rootDir/libraries/stdlib/wasm/publish" as File
     project(':kotlin-stdlib-js-ir-minimal-for-test').projectDir = "$rootDir/libraries/stdlib/js-ir-minimal-for-test" as File
     project(':kotlin-stdlib-jdk7').projectDir = "$rootDir/libraries/stdlib/jdk7" as File
     project(':kotlin-stdlib-jdk8').projectDir = "$rootDir/libraries/stdlib/jdk8" as File