Fix web components build & publishing

web/build.gradle.kts

@@ -2,6 +2,10 @@ import org.gradle.api.tasks.testing.AbstractTestTask
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat
 import org.jetbrains.compose.gradle.kotlinKarmaConfig
 
+plugins {
+    kotlin("multiplatform") apply false
+}
+
 val COMPOSE_WEB_VERSION: String by project
 val COMPOSE_REPO_USERNAME: String? by project
 val COMPOSE_REPO_KEY: String? by project
@@ -24,12 +28,16 @@ rootProject.plugins.withType<org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJ
     rootProject.the<org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension>().nodeVersion = "16.13.1"
 }
 
-subprojects { 
+subprojects {
     apply(plugin = "maven-publish")
 
     group = "org.jetbrains.compose.web"
     version = COMPOSE_WEB_VERSION
 
+    tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>() {
+        kotlinOptions.jvmTarget = "11"
+    }
+
     pluginManager.withPlugin("maven-publish") {
         configure<PublishingExtension> {
             repositories {
@@ -116,4 +124,3 @@ subprojects {
         }
     }
 }
-

web/settings.gradle.kts

@@ -1,4 +1,3 @@
-
 pluginManagement {
     val COMPOSE_CORE_VERSION: String by settings
     println("[build] compose core version: $COMPOSE_CORE_VERSION")
@@ -24,13 +23,12 @@ pluginManagement {
     repositories {
         gradlePluginPortal()
         mavenCentral()
-
         repos?.forEach { urlPath ->
             maven {
                 url = uri(urlPath)
             }
         }
-
+        mavenLocal()
         maven {
             url = uri("https://maven.pkg.jetbrains.space/public/p/compose/dev")
         }

web/widgets/build.gradle.kts

@@ -49,3 +49,7 @@ kotlin {
         }
     }
 }
+
+rootProject.plugins.withType<org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin> {
+    rootProject.the<org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension>().nodeVersion = "16.0.0"
+}