Remove 'kotlin2js' Gradle plugin

Plugin class is still left untouched as it is used by
js platform old plugin.

^KT-48276 Fixed

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

@@ -50,9 +50,6 @@ internal val DEFAULT_GROOVY_SETTINGS_FILE =
                     case "com.android.feature":
                         useModule("com.android.tools.build:gradle:${'$'}android_tools_version")
                         break
-                    case "kotlin2js":
-                        useModule("org.jetbrains.kotlin:kotlin-gradle-plugin:${'$'}kotlin_version")
-                        break
                 }
             }
         }
@@ -103,7 +100,6 @@ internal val DEFAULT_KOTLIN_SETTINGS_FILE =
                     "com.android.lint",
                     "com.android.instantapp",
                     "com.android.feature" -> useModule("com.android.tools.build:gradle:${'$'}android_tools_version")
-                    "kotlin2js" -> useModule("org.jetbrains.kotlin:kotlin-gradle-plugin:${'$'}kotlin_version")
                 }
             }
         }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/incrementalMultiproject/app/build-js.gradle

@@ -1,4 +1,4 @@
-apply plugin: 'kotlin2js'
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 dependencies {
     implementation project(':lib')

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/incrementalMultiproject/lib/build-js.gradle

@@ -1,4 +1,4 @@
-apply plugin: 'kotlin2js'
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 dependencies {
     // do not remove until KT-25488 is fixed

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsICProject/app/build.gradle

@@ -1,4 +1,4 @@
-apply plugin: 'kotlin2js'
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlin_version"

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsICProject/lib/build.gradle

@@ -1,4 +1,4 @@
-apply plugin: 'kotlin2js'
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlin_version"

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsInternalTest/build.gradle

@@ -8,7 +8,7 @@ buildscript {
     }
 }
 
-apply plugin: 'kotlin2js'
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 repositories {
     mavenLocal()

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsIrDtsGeneration/build.gradle

@@ -9,8 +9,11 @@ buildscript {
     }
 }
 
-apply plugin: "kotlin2js"
-apply plugin: 'java'
+plugins {
+    id 'java'
+}
+
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 def outDir = "${buildDir}/kotlin2js/main/"
 compileKotlin2Js.kotlinOptions.moduleKind = "plain"

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsModuleKind/build.gradle

@@ -9,8 +9,11 @@ buildscript {
     }
 }
 
-apply plugin: "kotlin2js"
-apply plugin: 'java'
+plugins {
+    id 'java'
+}
+
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 def outDir = "${buildDir}/kotlin2js/main/"
 compileKotlin2Js.kotlinOptions.moduleKind = "amd"

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsNoOutputFileProject/build.gradle

@@ -9,7 +9,7 @@ buildscript {
     }
 }
 
-apply plugin: "kotlin2js"
+apply plugin: "org.jetbrains.kotlin.platform.js"
 
 repositories {
     mavenLocal()

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsProject/libraryProject/build.gradle

@@ -8,7 +8,7 @@ buildscript {
     }
 }
 
-apply plugin: 'kotlin2js'
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 repositories {
     mavenLocal()

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsProject/mainProject/build.gradle

@@ -8,7 +8,7 @@ buildscript {
     }
 }
 
-apply plugin: "kotlin2js"
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 repositories {
     mavenLocal()

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsProjectWithCustomSourceset/build.gradle

@@ -8,7 +8,7 @@ buildscript {
     }
 }
 
-apply plugin: 'kotlin2js'
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 repositories {
     mavenLocal()

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsProjectWithSourceMapInline/build.gradle

@@ -9,7 +9,7 @@ buildscript {
 }
 
 allprojects {
-    apply plugin: 'kotlin2js'
+    plugins.apply('org.jetbrains.kotlin.platform.js')
 
     repositories {
         mavenLocal()

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsProjectWithTests/build.gradle

@@ -8,7 +8,7 @@ buildscript {
     }
 }
 
-apply plugin: 'kotlin2js'
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 repositories {
     mavenLocal()

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kt-27059-pom-rewriting/js-app/build.gradle

@@ -1,8 +1,19 @@
+buildscript {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
 plugins {
-    id "kotlin2js"
     id "maven-publish"
 }
 
+apply plugin: 'org.jetbrains.kotlin.platform.js'
+
 group = "com.example"
 version = "1.0"
 

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/new-mpp-lib-and-app/sample-old-style-app/app-js/build.gradle

@@ -1,4 +1,4 @@
-apply plugin: 'kotlin2js'
+apply plugin: 'org.jetbrains.kotlin.platform.js'
 
 dependencies {
 	implementation 'com.example:sample-lib:1.0'

libraries/tools/kotlin-gradle-plugin/Module.md

@@ -87,12 +87,14 @@ afterEvaluate {
 // compileDebugKotlin.noStdlib == false
 ```
 
-### kotlin2js
+### Kotlin/JS
 
 How to apply:
 
 ```
-apply plugin: 'kotlin2js'
+plugins {
+    id 'org.jetbrains.kotlin.js'
+}
 ```
 
 Tasks:
@@ -106,7 +108,7 @@ Tasks:
 Each [KotlinJsCompile] task provides `kotlinOptions` ([KotlinJsOptions]) extension:
 
 ```
-compileKotlin2Js {
+compileKotlinJs {
     kotlinOptions {
         noStdlib = true
     }

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

@@ -279,6 +279,7 @@ open class KotlinPlatformJvmPlugin : KotlinPlatformImplementationPluginBase("jvm
 
 open class KotlinPlatformJsPlugin : KotlinPlatformImplementationPluginBase("js") {
     override fun apply(project: Project) {
+        @Suppress("DEPRECATION_ERROR")
         project.applyPlugin<Kotlin2JsPluginWrapper>()
         super.apply(project)
     }

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

@@ -39,7 +39,6 @@ import org.jetbrains.kotlin.gradle.plugin.mpp.pm20.isMainCompilationData
 import org.jetbrains.kotlin.gradle.scripting.internal.ScriptingGradleSubplugin
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsBinaryMode
 import org.jetbrains.kotlin.gradle.targets.js.ir.*
-import org.jetbrains.kotlin.gradle.targets.js.jsPluginDeprecationMessage
 import org.jetbrains.kotlin.gradle.targets.jvm.KotlinJvmTarget
 import org.jetbrains.kotlin.gradle.tasks.*
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
@@ -693,13 +692,16 @@ internal open class KotlinCommonPlugin(
     }
 }
 
+@Deprecated(
+    message = "Should be removed with Js platform plugin",
+    level = DeprecationLevel.ERROR
+)
 internal open class Kotlin2JsPlugin(
     registry: ToolingModelBuilderRegistry
 ) : AbstractKotlinPlugin(KotlinTasksProvider(), registry) {
 
     companion object {
         private const val targetName = "2Js"
-        internal const val NOWARN_2JS_FLAG = "kotlin.2js.nowarn"
     }
 
     override fun buildSourceSetProcessor(
@@ -709,9 +711,6 @@ internal open class Kotlin2JsPlugin(
         Kotlin2JsSourceSetProcessor(tasksProvider, compilation)
 
     override fun apply(project: Project) {
-        if (!PropertiesProvider(project).noWarn2JsPlugin) {
-            project.logger.warn(jsPluginDeprecationMessage("kotlin2js"))
-        }
         val target = KotlinWithJavaTarget<KotlinJsOptions>(project, KotlinPlatformType.js, targetName, { KotlinJsOptionsImpl() })
 
         (project.kotlinExtension as Kotlin2JsProjectExtension).target = target

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

@@ -199,9 +199,15 @@ open class KotlinAndroidPluginWrapper @Inject constructor(
         get() = KotlinAndroidProjectExtension::class
 }
 
+@Deprecated(
+    message = "Should be removed with JS platform plugin",
+    level = DeprecationLevel.ERROR
+)
 open class Kotlin2JsPluginWrapper @Inject constructor(
     protected val registry: ToolingModelBuilderRegistry
 ) : KotlinBasePluginWrapper() {
+
+    @Suppress("DEPRECATION_ERROR")
     override fun getPlugin(project: Project): Plugin<Project> =
         Kotlin2JsPlugin(registry)
 

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

@@ -10,7 +10,6 @@ import org.jetbrains.kotlin.cli.common.CompilerSystemProperties
 import org.jetbrains.kotlin.cli.common.toBooleanLenient
 import org.jetbrains.kotlin.gradle.dsl.NativeCacheKind
 import org.jetbrains.kotlin.gradle.internal.testing.TCServiceMessageOutputStreamHandler.Companion.IGNORE_TCSM_OVERFLOW
-import org.jetbrains.kotlin.gradle.plugin.Kotlin2JsPlugin.Companion.NOWARN_2JS_FLAG
 import org.jetbrains.kotlin.gradle.plugin.KotlinJsCompilerType.Companion.jsCompilerProperty
 import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider.PropertyNames.KOTLIN_ABI_SNAPSHOT
 import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider.PropertyNames.KOTLIN_MPP_ENABLE_CINTEROP_COMMONIZATION
@@ -418,9 +417,6 @@ internal class PropertiesProvider private constructor(private val project: Proje
                 ?.report(StringMetrics.JS_GENERATE_EXECUTABLE_DEFAULT, it.toString())
         }
 
-    val noWarn2JsPlugin: Boolean
-        get() = booleanProperty(NOWARN_2JS_FLAG) ?: false
-
     val stdlibDefaultDependency: Boolean
         get() = booleanProperty(KOTLIN_STDLIB_DEFAULT_DEPENDENCY) ?: true
 

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

@@ -24,10 +24,6 @@ open class KotlinJsPlugin(
 ) : Plugin<Project> {
 
     override fun apply(project: Project) {
-        project.pluginManager.withPlugin("org.jetbrains.kotlin.frontend") {
-            project.logger.warn(jsPluginDeprecationMessage("org.jetbrains.kotlin.frontend"))
-        }
-
         project.setupGeneralKotlinExtensionParameters()
 
         // TODO get rid of this plugin, too? Use the 'base' plugin instead?
@@ -47,6 +43,7 @@ open class KotlinJsPlugin(
         }
 
         project.runProjectConfigurationHealthCheckWhenEvaluated {
+            @Suppress("DEPRECATION")
             if (kotlinExtension._target == null) {
                 project.logger.warn(
                     """
@@ -91,10 +88,3 @@ open class KotlinJsPlugin(
         kotlinExtension.sourceSets.maybeCreate(TEST_COMPILATION_NAME)
     }
 }
-
-internal fun jsPluginDeprecationMessage(id: String): String =
-    """
-            The `$id` Gradle plugin has been deprecated.
-            Please use `org.jetbrains.kotlin.js` plugin instead `kotlin2js` and `org.jetbrains.kotlin.frontend`
-            For usage details, see https://kotlinlang.org/docs/reference/js-project-setup.html
-    """.trimIndent()

libraries/tools/kotlin-gradle-plugin/src/common/resources/META-INF/gradle-plugins/kotlin2js.properties

@@ -1 +0,0 @@
-implementation-class=org.jetbrains.kotlin.gradle.plugin.Kotlin2JsPluginWrapper