diff --git a/fluxo-kmp-conf/src/main/kotlin/SetupKotlinJs.kt b/fluxo-kmp-conf/src/main/kotlin/SetupKotlinJs.kt
index 4adcd6ed..b21eab76 100644
--- a/fluxo-kmp-conf/src/main/kotlin/SetupKotlinJs.kt
+++ b/fluxo-kmp-conf/src/main/kotlin/SetupKotlinJs.kt
@@ -1,20 +1,29 @@
 import fluxo.conf.dsl.container.KotlinTargetContainer
-import org.gradle.api.Action
+import org.jetbrains.kotlin.gradle.plugin.KotlinTarget
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsSubTargetDsl
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsTargetDsl
+import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinTargetWithNodeJsDsl
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinWasmJsTargetDsl
 
 
-internal val DEFAULT_COMMON_JS_CONFIGURATION: KotlinTargetContainer<KotlinJsTargetDsl>.() -> Unit =
+internal val DEFAULT_COMMON_JS_CONFIGURATION: KotlinTargetContainer<KotlinTarget>.() -> Unit =
     {
         target {
-            defaults()
+            if (this is KotlinJsTargetDsl) {
+                defaults()
+            } else if (this is KotlinTargetWithNodeJsDsl) {
+                nodejs {
+                    testTimeout(seconds = TEST_TIMEOUT)
+                }
+            }
         }
     }
 
 public fun KotlinJsTargetDsl.defaults() {
+    // set up browser & nodejs environment + test timeouts
     testTimeout()
 
+    // Apply Binaryen optimizer to the WASM target
     if (this is KotlinWasmJsTargetDsl) {
         applyBinaryen()
     }
@@ -28,6 +37,11 @@ public fun KotlinJsTargetDsl.defaults() {
         }
     }
 
+    try {
+        useEsModules()
+    } catch (_: Error) {
+    }
+
     // Generate TypeScript declaration files
     // https://kotlinlang.org/docs/js-ir-compiler.html#preview-generation-of-typescript-declaration-files-d-ts
     binaries.executable()
@@ -50,11 +64,9 @@ public fun KotlinJsTargetDsl.testTimeout(seconds: Int = TEST_TIMEOUT) {
 
 public fun KotlinJsSubTargetDsl.testTimeout(seconds: Int = TEST_TIMEOUT) {
     require(seconds > 0) { "Timeout seconds must be greater than 0." }
-    testTask(
-        Action {
-            useMocha { timeout = "${seconds}s" }
-        },
-    )
+    testTask {
+        useMocha { timeout = "${seconds}s" }
+    }
 }
 
 /**
diff --git a/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/dsl/container/target/WasmTarget.kt b/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/dsl/container/target/WasmTarget.kt
index b4a9c9e2..d8d0fb3e 100644
--- a/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/dsl/container/target/WasmTarget.kt
+++ b/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/dsl/container/target/WasmTarget.kt
@@ -1,8 +1,7 @@
 package fluxo.conf.dsl.container.target
 
-import DEFAULT_COMMON_JS_CONFIGURATION
+import DEFAULT_COMMON_JS_CONFIGURATION as DEFAULT_CONF
 import fluxo.conf.dsl.container.KotlinTargetContainer
-import fluxo.conf.impl.EMPTY_FUN
 import org.jetbrains.kotlin.gradle.dsl.KotlinTargetContainerWithWasmPresetFunctions
 import org.jetbrains.kotlin.gradle.targets.js.dsl.ExperimentalWasmDsl
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinWasmJsTargetDsl
@@ -23,7 +22,7 @@ public interface WasmTarget<out T : KotlinWasmTargetDsl> : KotlinTargetContainer
         @Suppress("NEWER_VERSION_IN_SINCE_KOTLIN")
         public fun wasmJs(
             targetName: String = "wasmJs",
-            action: WasmTarget<KotlinWasmJsTargetDsl>.() -> Unit = DEFAULT_COMMON_JS_CONFIGURATION,
+            action: WasmTarget<KotlinWasmJsTargetDsl>.() -> Unit = DEFAULT_CONF,
         )
 
         /**
@@ -35,7 +34,7 @@ public interface WasmTarget<out T : KotlinWasmTargetDsl> : KotlinTargetContainer
         @Suppress("NEWER_VERSION_IN_SINCE_KOTLIN")
         public fun wasmWasi(
             targetName: String = "wasmWasi",
-            action: WasmTarget<KotlinWasmWasiTargetDsl>.() -> Unit = EMPTY_FUN,
+            action: WasmTarget<KotlinWasmWasiTargetDsl>.() -> Unit = DEFAULT_CONF,
         )
     }
 }
diff --git a/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/impl/kotlin/SetupKotlin.kt b/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/impl/kotlin/SetupKotlin.kt
index 35e96b4c..a59c2701 100644
--- a/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/impl/kotlin/SetupKotlin.kt
+++ b/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/impl/kotlin/SetupKotlin.kt
@@ -150,31 +150,36 @@ internal fun configureKotlinMultiplatform(
     }
 
     val project = configuration.project
-    configuration.context.loadAndApplyPluginIfNotApplied(id = KMP_PLUGIN_ID, project = project)
+    val context = configuration.context
+    context.loadAndApplyPluginIfNotApplied(id = KMP_PLUGIN_ID, project = project)
 
     // Add all plugins first, for configuring in next steps.
     val pluginManager = project.pluginManager
     val containerList = containers.toMutableList()
     containerList.iterator().let { iter ->
         for (container in iter) {
-            (container as? ContainerImpl)?.let { c ->
-                try {
-                    c.applyPluginsWith(pluginManager)
-                } catch (e: Throwable) {
-                    iter.remove()
-
-                    var msg = e.toString()
-                    msg = when {
-                        // Special case for Android plugin.
-                        @Suppress("InstanceOfCheckForException")
-                        e is UnknownPluginException && "com.android." in msg ->
-                            ANDROID_PLUGIN_NOT_IN_CLASSPATH_ERROR
-
-                        else ->
-                            "Couldn't apply ${c.name} container due to: $msg"
+            val c = container as? ContainerImpl ?: continue
+            try {
+                c.applyPluginsWith(pluginManager)
+            } catch (e: Throwable) {
+                iter.remove()
+
+                var logException = true
+                var msg = e.toString()
+                msg = when {
+                    // Special case for Android plugin.
+                    @Suppress("InstanceOfCheckForException")
+                    e is UnknownPluginException && "com.android." in msg -> {
+                        logException = context.isMaxDebug
+                        ANDROID_PLUGIN_NOT_IN_CLASSPATH_ERROR
                     }
-                    project.logger.e(msg, e)
+
+                    else ->
+                        "Couldn't apply ${c.name} container due to: $msg"
                 }
+
+                val ex = if (logException) e else null
+                project.logger.e(msg, ex)
             }
         }
     }
diff --git a/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/impl/kotlin/SetupKotlinDependencies.kt b/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/impl/kotlin/SetupKotlinDependencies.kt
index ae81f2a8..36eda195 100644
--- a/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/impl/kotlin/SetupKotlinDependencies.kt
+++ b/fluxo-kmp-conf/src/main/kotlin/fluxo/conf/impl/kotlin/SetupKotlinDependencies.kt
@@ -170,7 +170,8 @@ internal fun KotlinMultiplatformExtension.setupMultiplatformDependencies(
                 try {
                     constraints.implementation(it)
                 } catch (e: Throwable) {
-                    project.logger.w("Failed to add constraint for $it: $e", e)
+                    val ex = if (context.isMaxDebug) e else null
+                    project.logger.w("Failed to add constraint for $it: $e", ex)
                 }
             }