Revert "WASM target implementation (#3849)"

This reverts commit 85afa72.

Author: woainikk

README.md

@@ -215,7 +215,7 @@ See [Contributing Guidelines](CONTRIBUTING.md).
 [Dispatchers.IO]: https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines/-i-o.html
 [asCoroutineDispatcher]: https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines/as-coroutine-dispatcher.html
 [Promise.await]: https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines/await.html
-[promise]: https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines/[js]promise.html
+[promise]: https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines/promise.html
 [Window.asCoroutineDispatcher]: https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines/as-coroutine-dispatcher.html
 
 <!--- INDEX kotlinx.coroutines.flow -->

build.gradle

@@ -157,12 +157,7 @@ configure(subprojects.findAll { !sourceless.contains(it.name) && it.name != core
             apply from: rootProject.file("gradle/compile-native-multiplatform.gradle")
         }
 
-        apply from: rootProject.file("gradle/compile-jsAndWasmShared-multiplatform.gradle")
-
         apply from: rootProject.file("gradle/compile-js-multiplatform.gradle")
-
-        apply from: rootProject.file("gradle/compile-wasm-multiplatform.gradle")
-
         kotlin.sourceSets.commonMain.dependencies {
             api project(":$coreModule")
         }
@@ -340,17 +335,3 @@ if (CacheRedirector.enabled) {
         nodeJsExtension.nodeDownloadBaseUrl = CacheRedirector.maybeRedirect(nodeJsExtension.nodeDownloadBaseUrl)
     }
 }
-
-// Drop this configuration when the Node.JS version in KGP will support wasm gc milestone 4
-// check it here:
-// https://github.com/JetBrains/kotlin/blob/master/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/NodeJsRootExtension.kt
-extensions.findByType(org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension.class).with {
-    // canary nodejs that supports recent Wasm GC changes
-    it.nodeVersion = "21.0.0-v8-canary202309167e82ab1fa2"
-    it.nodeDownloadBaseUrl = "https://nodejs.org/download/v8-canary"
-}
-
-// Drop this when node js version become stable
-tasks.withType(org.jetbrains.kotlin.gradle.targets.js.npm.tasks.KotlinNpmInstallTask).configureEach {
-    args.add("--ignore-engines")
-}

buildSrc/src/main/kotlin/KotlinVersion.kt

@@ -0,0 +1,14 @@
+@file:JvmName("KotlinVersion")
+
+fun isKotlinVersionAtLeast(kotlinVersion: String, atLeastMajor: Int, atLeastMinor: Int, atLeastPatch: Int): Boolean {
+    val (major, minor) = kotlinVersion
+        .split('.')
+        .take(2)
+        .map { it.toInt() }
+    val patch = kotlinVersion.substringAfterLast('.').substringBefore('-').toInt()
+    return when {
+        major > atLeastMajor -> true
+        major < atLeastMajor -> false
+        else -> (minor == atLeastMinor && patch >= atLeastPatch) || minor > atLeastMinor
+    }
+}

gradle/compile-js-multiplatform.gradle

@@ -12,13 +12,6 @@ kotlin {
     }
 
     sourceSets {
-        jsMain {
-            dependsOn(jsAndWasmSharedMain)
-        }
-        jsTest {
-            dependsOn(jsAndWasmSharedTest)
-        }
-
         jsTest.dependencies {
             api "org.jetbrains.kotlin:kotlin-test-js:$kotlin_version"
         }

gradle/compile-jsAndWasmShared-multiplatform.gradle

@@ -1,3 +1,5 @@
+import static KotlinVersion.isKotlinVersionAtLeast
+
 /*
  * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */

gradle/compile-native-multiplatform.gradle

@@ -45,8 +45,6 @@ tasks.withType(DokkaTaskPartial::class).configureEach {
     }
 }
 
-val kotlin_version: String by project
-
 if (project.name == "kotlinx-coroutines-core") {
     // Custom configuration for MPP modules
     tasks.withType(DokkaTaskPartial::class).configureEach {
@@ -66,10 +64,6 @@ if (project.name == "kotlinx-coroutines-core") {
             val jvmMain by getting {
                 makeLinkMapping(project.file("jvm"))
             }
-
-            val wasmJsMain by getting {
-                makeLinkMapping(project.file("wasm"))
-            }
         }
     }
 }

gradle/compile-wasm-multiplatform.gradle

@@ -179,8 +179,3 @@ compileKotlin {
         jvmTarget = "1.8"
     }
 }
-
-// Drop this when node js version become stable
-tasks.withType(org.jetbrains.kotlin.gradle.targets.js.npm.tasks.KotlinNpmInstallTask.class).configureEach {
-    it.args.add("--ignore-engines")
-}

gradle/dokka.gradle.kts

@@ -3,20 +3,17 @@ plugins {
 }
 
 repositories {
-    mavenCentral()
-    maven { url "https://maven.pkg.jetbrains.space/kotlin/p/kotlin/dev" }
     // Coroutines from the outer project are published by previous CI buils step
     mavenLocal()
+    mavenCentral()
+    maven { url "https://maven.pkg.jetbrains.space/kotlin/p/kotlin/dev" }
 }
 
 kotlin {
     jvm()
     js(IR) {
         nodejs()
     }
-    wasmJs() {
-        nodejs()
-    }
 
     sourceSets {
         commonMain {
@@ -37,11 +34,6 @@ kotlin {
                 implementation kotlin('test-js')
             }
         }
-        wasmJsTest {
-            dependencies {
-                implementation kotlin('test-wasm-js')
-            }
-        }
         jvmTest {
             dependencies {
                 implementation kotlin('test')
@@ -58,11 +50,3 @@ kotlin {
     }
 }
 
-// Drop this configuration when the Node.JS version in KGP will support wasm gc milestone 4
-// check it here:
-// https://github.com/JetBrains/kotlin/blob/master/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/NodeJsRootExtension.kt
-rootProject.extensions.findByType(org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension.class).with {
-    // canary nodejs that supports recent Wasm GC changes
-    it.nodeVersion = "21.0.0-v8-canary202309167e82ab1fa2"
-    it.nodeDownloadBaseUrl = "https://nodejs.org/download/v8-canary"
-}

integration-testing/build.gradle

@@ -19,21 +19,18 @@ if (rootProject.ext.native_targets_enabled) {
     apply from: rootProject.file("gradle/compile-native-multiplatform.gradle")
 }
 
-apply from: rootProject.file("gradle/compile-jsAndWasmShared-multiplatform.gradle")
-
 apply from: rootProject.file("gradle/compile-js-multiplatform.gradle")
 
-apply from: rootProject.file("gradle/compile-wasm-multiplatform.gradle")
-
 apply from: rootProject.file('gradle/dokka.gradle.kts')
 apply from: rootProject.file('gradle/publish.gradle')
 /* ==========================================================================
   Configure source sets structure for kotlinx-coroutines-core:
 
      TARGETS                            SOURCE SETS
      -------         ----------------------------------------------
-     wasmJs \----------> jsAndWasmShared --------------------+
-     js     /                                                |
+
+     js -----------------------------------------------------+
+                                                             |
                                                              V
      jvmCore\ --------> jvm ---------> concurrent -------> common
      jdk8   /                           ^
@@ -245,7 +242,7 @@ kotlin.sourceSets {
 
 kotlin.sourceSets.configureEach {
     // Do not apply 'ExperimentalForeignApi' where we have allWarningsAsErrors set
-    if (it.name in ["jvmMain", "jvmCoreMain", "jsMain", 'wasmJsMain', 'jsAndWasmSharedMain', "concurrentMain", "commonMain"]) return
+    if (it.name in ["jvmMain", "jvmCoreMain", "jsMain", "concurrentMain", "commonMain"]) return
     languageSettings {
         optIn('kotlinx.cinterop.ExperimentalForeignApi')
         optIn('kotlin.experimental.ExperimentalNativeApi')

integration-testing/smokeTest/build.gradle

@@ -12,7 +12,7 @@ private external val navigator: dynamic
 private const val UNDEFINED = "undefined"
 internal external val process: dynamic
 
-internal actual fun createDefaultDispatcher(): CoroutineDispatcher = when {
+internal fun createDefaultDispatcher(): CoroutineDispatcher = when {
     // Check if we are running under jsdom. WindowDispatcher doesn't work under jsdom because it accesses MessageEvent#source.
     // It is not implemented in jsdom, see https://github.com/jsdom/jsdom/blob/master/Changelog.md
     // "It's missing a few semantics, especially around origins, as well as MessageEvent source."

kotlinx-coroutines-core/build.gradle

@@ -6,8 +6,6 @@ package kotlinx.coroutines
 
 import kotlin.coroutines.*
 
-internal expect fun createDefaultDispatcher(): CoroutineDispatcher
-
 public actual object Dispatchers {
     public actual val Default: CoroutineDispatcher = createDefaultDispatcher()
     public actual val Main: MainCoroutineDispatcher