[Gradle, JS] Support custom attributes for public package json configuration

^KT-57985 fixed
^KT-57817 fixed

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/Kotlin2JsGradlePluginIT.kt

@@ -485,6 +485,19 @@ class Kotlin2JsIrGradlePluginIT : AbstractKotlin2JsGradlePluginIT(true) {
             }
         }
     }
+
+    @DisplayName("Multiple targets works without clash")
+    @GradleTest
+    fun testMultipleJsTargets(gradleVersion: GradleVersion) {
+        project("kotlin-js-multiple-targets", gradleVersion) {
+            buildGradleKts.modify(::transformBuildScriptWithPluginsDsl)
+
+            build("assemble") {
+                assertTasksExecuted(":compileProductionExecutableKotlinServerSide")
+                assertTasksExecuted(":compileProductionExecutableKotlinClientSide")
+            }
+        }
+    }
 }
 
 @JsGradlePluginTests

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin-js-multiple-targets/build.gradle.kts

@@ -0,0 +1,30 @@
+plugins {
+    kotlin("multiplatform")
+}
+
+repositories {
+    mavenCentral()
+    mavenLocal()
+}
+
+kotlin {
+    js("clientSide") {
+        attributes {
+            attribute(Attribute.of("js.target", String::class.java), "clientSide")
+        }
+        browser {
+
+        }
+        binaries.executable()
+    }
+
+    js("serverSide") {
+        attributes {
+            attribute(Attribute.of("js.target", String::class.java), "serverSide")
+        }
+        nodejs {
+
+        }
+        binaries.executable()
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin-js-multiple-targets/src/clientSideMain/kotlin/App.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2019 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 com.example
+
+fun main() {
+    println("Sheldon")
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin-js-multiple-targets/src/serverSideMain/kotlin/main.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2019 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 com.example
+
+fun main() {
+    println("Leonard")
+}

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

@@ -9,6 +9,7 @@
 package org.jetbrains.kotlin.gradle.plugin.mpp
 
 import groovy.lang.Closure
+import org.gradle.api.attributes.AttributeContainer
 import org.gradle.api.tasks.TaskProvider
 import org.jetbrains.kotlin.gradle.dsl.KotlinJsCompilerOptions
 import org.jetbrains.kotlin.gradle.dsl.KotlinJsOptions
@@ -53,6 +54,19 @@ open class KotlinJsCompilation @Inject internal constructor(
     override val processResourcesTaskName: String
         get() = disambiguateName("processResources")
 
+    val npmConfigurationName
+        get() = compilation.disambiguateName("npm")
+
+    val publicPackageJsonConfigurationName
+        get() = compilation.disambiguateName("publicPackageJsonConfiguration")
+
+    override val relatedConfigurationNames: List<String>
+        get() = super.relatedConfigurationNames + npmConfigurationName + publicPackageJsonConfigurationName
+
+    override fun getAttributes(): AttributeContainer {
+        return compilation.attributes
+    }
+
     @Suppress("DEPRECATION")
     @Deprecated("Accessing task instance directly is deprecated", replaceWith = ReplaceWith("compileTaskProvider"))
     override val compileKotlinTask: Kotlin2JsCompile

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

@@ -132,4 +132,4 @@ internal val JsBinary.executeTaskBaseName: String
         null
     )
 
-internal val COMPILE_SYNC = "compileSync"
+internal const val COMPILE_SYNC = "compileSync"

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/resolver/KotlinCompilationNpmResolver.kt

@@ -103,7 +103,7 @@ class KotlinCompilationNpmResolver(
 
     override fun toString(): String = "KotlinCompilationNpmResolver(${npmProject.name})"
 
-    val aggregatedConfiguration: Configuration by lazy {
+    val aggregatedConfiguration: Configuration = run {
         createAggregatedConfiguration()
     }
 
@@ -126,7 +126,7 @@ class KotlinCompilationNpmResolver(
     }
 
     private fun createAggregatedConfiguration(): Configuration {
-        val all = project.configurations.create(compilation.disambiguateName("npm"))
+        val all = project.configurations.create(compilation.npmConfigurationName)
 
         all.usesPlatformOf(target)
         all.attributes.attribute(Usage.USAGE_ATTRIBUTE, KotlinUsages.consumerRuntimeUsage(target))
@@ -156,7 +156,7 @@ class KotlinCompilationNpmResolver(
     }
 
     private fun createPublicPackageJsonConfiguration(): Configuration {
-        val all = project.configurations.create(compilation.disambiguateName("publicPackageJsonConfiguration"))
+        val all = project.configurations.create(compilation.publicPackageJsonConfigurationName)
 
         all.usesPlatformOf(target)
         all.attributes.attribute(Usage.USAGE_ATTRIBUTE, KotlinUsages.consumerRuntimeUsage(target))