[Gradle, JS] Configure prod and dev compilations

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinBrowserJsIr.kt

@@ -61,13 +61,13 @@ open class KotlinBrowserJsIr @Inject constructor(target: KotlinJsIrTarget) :
         commonWebpackConfigurations.add(body)
     }
 
-    override fun configureMain(compilation: KotlinJsCompilation) {
+    override fun configureMain(compilation: KotlinJsIrCompilation) {
         configureRun(compilation)
         configureBuild(compilation)
     }
 
     private fun configureRun(
-        compilation: KotlinJsCompilation
+        compilation: KotlinJsIrCompilation
     ) {
 
         val project = compilation.target.project
@@ -117,7 +117,7 @@ open class KotlinBrowserJsIr @Inject constructor(target: KotlinJsIrTarget) :
     }
 
     private fun configureBuild(
-        compilation: KotlinJsCompilation
+        compilation: KotlinJsIrCompilation
     ) {
         val project = compilation.target.project
         val nodeJs = NodeJsRootPlugin.apply(project.rootProject)

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrSubTarget.kt

@@ -164,7 +164,7 @@ abstract class KotlinJsIrSubTarget(
         }
     }
 
-    protected abstract fun configureMain(compilation: KotlinJsCompilation)
+    protected abstract fun configureMain(compilation: KotlinJsIrCompilation)
 
     companion object {
         const val RUN_TASK_NAME = "run"

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrTargetConfigurator.kt

@@ -5,11 +5,11 @@
 
 package org.jetbrains.kotlin.gradle.targets.js.ir
 
+import org.jetbrains.kotlin.gradle.dsl.KotlinJsOptions
 import org.jetbrains.kotlin.gradle.plugin.KotlinJsIrSourceSetProcessor
 import org.jetbrains.kotlin.gradle.plugin.KotlinOnlyTargetConfigurator
 import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSetProcessor
 import org.jetbrains.kotlin.gradle.plugin.KotlinTargetWithTestsConfigurator
-import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsIrReportAggregatingTestRun
 import org.jetbrains.kotlin.gradle.tasks.KotlinTasksProvider
 import org.jetbrains.kotlin.gradle.testing.internal.kotlinTestRegistry
@@ -54,15 +54,26 @@ open class KotlinJsIrTargetConfigurator(kotlinPluginVersion: String) :
 
         target.compilations.all {
             it.compileKotlinTask.kotlinOptions {
-                moduleKind = "umd"
-                sourceMap = true
-                sourceMapEmbedSources = null
+                configureOptions(DISABLE_PRE_IR)
+            }
 
-                freeCompilerArgs += listOf(DISABLE_PRE_IR)
+            it.productionCompileTask.kotlinOptions {
+                configureOptions(ENABLE_DCE, GENERATE_D_TS)
+            }
+
+            it.developmentCompileTask.kotlinOptions {
+                configureOptions(GENERATE_D_TS)
             }
         }
     }
 
+    private fun KotlinJsOptions.configureOptions(vararg additionalCompilerArgs: String) {
+        moduleKind = "umd"
+        sourceMap = true
+
+        freeCompilerArgs += additionalCompilerArgs.toList()
+    }
+
     override fun defineConfigurationsForTarget(target: KotlinJsIrTarget) {
         super.defineConfigurationsForTarget(target)
         implementationToApiElements(target)

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinNodeJsIr.kt

@@ -34,7 +34,7 @@ open class KotlinNodeJsIr @Inject constructor(target: KotlinJsIrTarget) :
         it.useMocha { }
     }
 
-    override fun configureMain(compilation: KotlinJsCompilation) {
+    override fun configureMain(compilation: KotlinJsIrCompilation) {
         configureRun(compilation)
     }