[JS IR] Build hybrid versions of stdlib and kotlin.test

IR version of libraries are no published by default inside pre-IR JARs

libraries/stdlib/js-v1/build.gradle

@@ -14,6 +14,7 @@ configurations {
     commonSources
     distSources
     distJs
+    distLibrary
 }
 
 def builtinsSrcDir = "${buildDir}/builtin-sources"
@@ -283,9 +284,10 @@ jar {
     enabled false
 }
 
-task mergedJar(type: Jar, dependsOn: compileJs) {
+task libraryJarWithoutIr(type: Jar, dependsOn: compileJs) {
     classifier = null
     manifestAttributes(manifest, project, 'Main')
+    destinationDirectory = file("$buildDir/lib/dist")
 
     // TODO: Use standard implementation title after js stdlib detector becomes more flexible (KT-17655)
     Properties properties = new Properties()
@@ -307,6 +309,22 @@ task mergedJar(type: Jar, dependsOn: compileJs) {
     exclude "${experimentalJsModuleName}.*"
 }
 
+task libraryJarWithIr(type: Zip, dependsOn: libraryJarWithoutIr) {
+    def irStdlibJar = tasks.getByPath(":kotlin-stdlib-js-ir:jar")
+    dependsOn(irStdlibJar)
+
+    archiveExtension = "jar"
+    destinationDirectory = file("$buildDir/libs")
+
+    duplicatesStrategy DuplicatesStrategy.FAIL
+
+    from zipTree(libraryJarWithoutIr.archiveFile)
+    from(zipTree(irStdlibJar.archiveFile)) {
+        exclude 'META-INF/*'
+    }
+}
+
+
 task sourcesJar(type: Jar, dependsOn: compileJs) {
     classifier = 'sources'
     includeEmptyDirs false
@@ -352,11 +370,12 @@ task distSourcesJar(type: Jar) {
 
 
 artifacts {
-    runtime mergedJar
-    archives mergedJar
+    runtime libraryJarWithIr
+    archives libraryJarWithIr
     archives sourcesJar
     sources sourcesJar
     distSources distSourcesJar
+    distLibrary libraryJarWithoutIr
 
     compileJs.outputs.files.forEach { artifact ->
         distJs(artifact) { builtBy(compileJs) }