feat: füge Wasm/JS-Feature-Toggle hinzu, optimiere Gradle-Build-Zeit durch bedingte Task-Deaktivierung
Signed-off-by: StefanMoCoAt <stefan.mo.co@gmail.com>
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@ -38,6 +38,8 @@ plugins {
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// ### ALLPROJECTS CONFIGURATION ###
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// ##################################################################
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val isWasmEnabled = findProperty("enableWasm")?.toString()?.toBoolean() ?: false
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// ---------------------------------------------------------------
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// Zentrale Versionierung — liest version.properties (SemVer)
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// ---------------------------------------------------------------
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@ -92,7 +94,7 @@ subprojects {
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minHeapSize = "512m"
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maxHeapSize = "2g"
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// Parallel test execution for better performance
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maxParallelForks = (Runtime.getRuntime().availableProcessors() / 2).coerceAtLeast(1)
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maxParallelForks = (Runtime.getRuntime().availableProcessors() / 4).coerceAtLeast(1)
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}
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// ---------------------------------------------------------------------------
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@ -111,7 +113,28 @@ subprojects {
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// (A) Source map configuration is handled via `gradle.properties` (global Kotlin/JS settings)
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// to avoid compiler-flag incompatibilities across toolchains.
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// (B) JS test executable compilation/sync is currently very noisy (duplicate resource copying from jsMain + jsTest).
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// (B) Conditional Wasm/JS Target handling based on `enableWasm` property
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// This significantly reduces build times during Desktop development.
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// Flag is defined at the beginning of the script.
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// If Wasm is disabled, we skip the intensive JS/WASM compilation tasks
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// for modules that are not strictly JVM-only.
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if (!isWasmEnabled) {
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tasks.matching {
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val n = it.name
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n.contains("wasmJs", ignoreCase = true) ||
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n.contains("KotlinJs", ignoreCase = true) ||
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n.contains("JsIr", ignoreCase = true) ||
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n.contains("packageJsUpper", ignoreCase = true) ||
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n.contains("jsProcessResources", ignoreCase = true) ||
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n.contains("wasmJsProcessResources", ignoreCase = true)
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}.configureEach {
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enabled = false
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group = "disabled"
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}
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}
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// (C) JS test executable compilation/sync is currently very noisy (duplicate resource copying from jsMain + jsTest).
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// We disable JS/WASM JS test executables in CI/build to keep output warning-free.
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tasks.matching {
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val n = it.name
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42
docs/99_Journal/2026-04-16_Gradle-Performance-Fix.md
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42
docs/99_Journal/2026-04-16_Gradle-Performance-Fix.md
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@ -0,0 +1,42 @@
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# 📓 Journal-Eintrag: 2026-04-16 - Gradle Build-Performance Optimierung
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## 🏗️ Status Quo
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Die Build-Zeiten stiegen nach der Integration von `wasmJs` auf bis zu 32 Minuten an. Dies lag primär daran, dass für
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fast alle Module (Backend-Domains, Core, Frontend) bei jedem Build auch die JS- und WASM-Targets kompiliert wurden,
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obwohl diese für die Desktop-Entwicklung nicht benötigt werden.
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## 🚀 Optimierungen
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### 1. Wasm/JS Feature Toggle (`enableWasm`)
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- **Neues Flag**: In der `gradle.properties` wurde das Flag `enableWasm=false` eingeführt.
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- **Root build.gradle.kts**: Wenn `enableWasm=false` ist, werden alle Tasks, die `wasmJs`, `KotlinJs` oder `JsIr` im
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Namen tragen, global deaktiviert.
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- **Web-Shell Optimierung**: Das Modul `:frontend:shells:meldestelle-web` wurde so angepasst, dass die Targets `js` und
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`wasmJs` sowie deren Abhängigkeiten nur dann konfiguriert werden, wenn das Flag aktiv ist.
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### 2. Ressourcen-Management & Stabilität
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- **Memory Settings**: Die JVM-Argumente für den Gradle-Daemon und den Kotlin-Daemon wurden auf 8GB (`-Xmx8g`)
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vereinheitlicht, um OOM-Fehler bei intensiven JS-Kompilierungen zu vermeiden.
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- **Parallelisierung**: `maxParallelForks` für Tests wurde auf `CPU/4` reduziert, um dem Gradle-Daemon in
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Ressourcen-kritischen Phasen mehr Spielraum zu geben und Swapping zu verhindern.
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- **Worker-Limits**: `org.gradle.workers.max=8` sorgt für eine kontrollierte Auslastung der CPU-Kerne.
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### 3. Build-Hygiene
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- Zusätzliche Deaktivierung von redundanten Resource-Processing Tasks (`jsProcessResources`, `wasmJsProcessResources`),
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wenn Wasm deaktiviert ist.
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- Unterdrückung von Node.js Deprecation Warnings in allen Exec-Tasks.
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## 📈 Erwartetes Resultat
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- **Desktop-Entwicklung**: Reduzierung der Build-Zeit um ca. 60-80%, da die kompletten JS/WASM Compiler-Pipelines
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übersprungen werden.
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- **Web-Entwicklung**: Stabilere Builds durch erhöhte Heap-Limits und kontrollierte Parallelisierung.
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---
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**🏗️ [Lead Architect]**: Gradle-Infrastruktur auf modulares Target-Handling umgestellt.
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**🐧 [DevOps Engineer]**: Ressourcen-Limits für lokale Entwicklung und CI harmonisiert.
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**🧹 [Curator]**: Build-Performance Strategie dokumentiert.
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@ -9,63 +9,71 @@ plugins {
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alias(libs.plugins.kotlinSerialization)
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}
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val isWasmEnabled = findProperty("enableWasm")?.toString()?.toBoolean() ?: false
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kotlin {
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jvm()
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js(IR) {
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binaries.library()
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browser {
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testTask {
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enabled = false
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if (isWasmEnabled) {
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js(IR) {
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binaries.library()
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browser {
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testTask {
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enabled = false
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}
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}
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}
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}
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wasmJs {
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browser {
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testTask {
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enabled = false
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wasmJs {
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browser {
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testTask {
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enabled = false
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}
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}
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binaries.executable()
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}
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binaries.executable()
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}
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sourceSets {
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wasmJsMain.dependencies {
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// Core-Module
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implementation(projects.frontend.core.domain)
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implementation(projects.frontend.core.designSystem)
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implementation(projects.frontend.core.navigation)
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implementation(projects.frontend.core.network)
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implementation(projects.frontend.core.auth)
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commonMain.dependencies {}
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// Feature-Module (die öffentlich sein dürfen)
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implementation(projects.frontend.features.veranstaltungFeature)
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implementation(projects.frontend.features.turnierFeature)
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implementation(projects.frontend.features.nennungFeature)
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implementation(projects.frontend.features.billingFeature)
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if (isWasmEnabled) {
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wasmJsMain.dependencies {
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// Core-Module
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implementation(projects.frontend.core.domain)
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implementation(projects.frontend.core.designSystem)
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implementation(projects.frontend.core.navigation)
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implementation(projects.frontend.core.network)
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implementation(projects.frontend.core.auth)
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// Compose Multiplatform
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implementation(compose.runtime)
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implementation(compose.foundation)
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implementation(compose.material3)
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implementation(compose.ui)
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implementation(compose.components.resources)
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implementation(libs.compose.materialIconsExtended)
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// Feature-Module (die öffentlich sein dürfen)
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implementation(projects.frontend.features.veranstaltungFeature)
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implementation(projects.frontend.features.turnierFeature)
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implementation(projects.frontend.features.nennungFeature)
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implementation(projects.frontend.features.billingFeature)
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// DI (Koin)
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implementation(libs.koin.core)
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implementation(libs.koin.compose)
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implementation(libs.koin.compose.viewmodel)
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// Compose Multiplatform
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implementation(compose.runtime)
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implementation(compose.foundation)
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implementation(compose.material3)
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implementation(compose.ui)
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implementation(compose.components.resources)
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implementation(libs.compose.materialIconsExtended)
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// Bundles
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implementation(libs.bundles.kmp.common)
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implementation(libs.bundles.compose.common)
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}
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// DI (Koin)
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implementation(libs.koin.core)
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implementation(libs.koin.compose)
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implementation(libs.koin.compose.viewmodel)
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wasmJsTest.dependencies {
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// Core-Module
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implementation(projects.frontend.core.domain)
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// Bundles
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implementation(libs.bundles.kmp.common)
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implementation(libs.bundles.compose.common)
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}
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wasmJsTest.dependencies {
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// Core-Module
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implementation(projects.frontend.core.domain)
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}
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}
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}
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}
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@ -68,6 +68,11 @@ org.gradle.java.installations.auto-detect=true
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dev.port.offset=0
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# Set dev.port.offset=100 for second developer
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# Set dev.port.offset=200 for the third developer
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# ------------------------------------------------------------------
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# Wasm/JS Feature Toggle
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# ------------------------------------------------------------------
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# Setze enableWasm=true, um die Web-App zu bauen oder Web-spezifische
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# Module zu testen. Default=false spart massiv Zeit beim Desktop-Build.
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enableWasm=false
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# Dokka Gradle plugin V2 mode (with helpers for V1 compatibility)
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