build: Enable Kotlin K2 compiler, use Gradle 8.4, JDK 17; Add 75x75 grid

Author: OliverO2

.idea/misc.xml

@@ -36,30 +36,26 @@ kotlin {
             binaries.executable()
             browser {
                 useCommonJs()
-                commonWebpackConfig(
-                    Action {
-                        outputFileName = "$moduleName.js"
-                    }
-                )
+                commonWebpackConfig {
+                    outputFileName = "$moduleName.js"
+                }
             }
         }
     } else {
         wasmJs {
             moduleName = "app"
             binaries.executable()
             browser {
-                commonWebpackConfig(
-                    Action {
-                        outputFileName = "$moduleName.js"
-                        devServer = (devServer ?: KotlinWebpackConfig.DevServer()).copy(
-                            port = 8081,
-                            static = (devServer?.static ?: mutableListOf()).apply {
-                                // Serve sources to debug inside browser
-                                add(project.rootDir.path)
-                            }
-                        )
-                    }
-                )
+                commonWebpackConfig {
+                    outputFileName = "$moduleName.js"
+                    devServer = (devServer ?: KotlinWebpackConfig.DevServer()).copy(
+                        port = 8081,
+                        static = (devServer?.static ?: mutableListOf()).apply {
+                            // Serve sources to debug inside browser
+                            add(project.rootDir.path)
+                        }
+                    )
+                }
             }
 
             applyBinaryen {
@@ -97,7 +93,8 @@ kotlin {
 
     sourceSets {
         all {
-            languageSettings.apply {
+            languageSettings {
+                languageVersion = "2.0"
                 progressiveMode = true
                 optIn("kotlin.RequiresOptIn")
             }

build.gradle.kts

@@ -1,15 +1,9 @@
 # suppress inspection "UnusedProperty" for whole file
 #
-# org.gradle.caching=true # https://docs.gradle.org/current/userguide/build_cache.html#sec:build_cache_enable
-# org.gradle.parallel=true # https://docs.gradle.org/current/userguide/performance.html#parallel_execution
+org.gradle.caching=true # https://docs.gradle.org/current/userguide/build_cache.html
+org.gradle.unsafe.configuration-cache=true # https://docs.gradle.org/current/userguide/configuration_cache.html
+org.gradle.parallel=true # https://docs.gradle.org/current/userguide/performance.html#parallel_execution
 # WORKAROUND java.lang.OutOfMemoryError: Metaspace (similar: https://github.com/Kotlin/dokka/issues/1405)
 org.gradle.jvmargs=-XX:MaxMetaspaceSize=512m
-# org.gradle.jvmargs=-XX:+UseParallelGC # tune as needed; https://developer.android.com/studio/build/optimize-your-build#configure-the-jvm-garbage-collector
-#
 kotlin.code.style=official
-kotlin.js.generate.executable.default=false
-# WORKAROUND until Kotlin 1.7.20 ? https://youtrack.jetbrains.com/issue/KT-53063/KJS-IR-IC-undefined-cross-module-reference-for-implemented-interface-functions ("ReferenceError: delay is not defined")
-kotlin.incremental.js.ir=true
-kotlin.mpp.stability.nowarn=true
-# kotlin.daemon.jvmargs= # tune as needed
 org.jetbrains.compose.experimental.jscanvas.enabled=true

gradle.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradle/wrapper/gradle-wrapper.properties

@@ -62,7 +62,7 @@ fun MainScene() {
     }
 }
 
-private val grids = listOf(25, 50, 100, 200, 400).map { GridModel(it) }
+private val grids = listOf(25, 50, 75, 100, 200, 400).map { GridModel(it) }
 
 @Composable
 private fun GridChoiceScene(selectedGrid: MutableState<GridModel?>) {
@@ -224,8 +224,7 @@ private fun ConditionalBoxWithConstraints(content: @Composable () -> Unit) {
 
 @Composable
 private fun Cell(cell: CellModel, cellLevelRecompositionTrigger: State<Int>) {
-    @Suppress("UnusedReceiverParameter")
-    fun Modifier.drawSupervised() = Modifier.drawWithContent {
+    fun Modifier.drawSupervised() = drawWithContent {
         drawSeries?.addCellOperation()
         if (Configuration.cellTextDrawingEnabled.value) {
             drawContent()
@@ -255,7 +254,7 @@ private fun Cell(cell: CellModel, cellLevelRecompositionTrigger: State<Int>) {
 }
 
 /** Consumes a value in a fashion the compiler (hopefully) would not identify as a no-op (and optimize away). */
-fun <T> sinkHole(value: T) {
+private fun <T> sinkHole(value: T) {
     require(value.toString().isNotEmpty())
 }