Update the project to a modern state

build.gradle.kts

@@ -1,7 +1,8 @@
 plugins {
-    kotlin("multiplatform") version "1.7.10"
+    alias(libs.plugins.kotlin.multiplatform)
-    kotlin("plugin.serialization") version "1.7.10"
+    alias(libs.plugins.kotlin.serialization)
-    id("org.jetbrains.compose")
+    alias(libs.plugins.compose)
+    alias(libs.plugins.ktor)
     application
 }
 
@@ -10,58 +11,58 @@ version = "1.0-SNAPSHOT"
 
 repositories {
     mavenCentral()
-    maven("https://maven.pkg.jetbrains.space/public/p/kotlinx-html/maven")
+    google()
 }
 
 kotlin {
+    jvmToolchain(17)
     jvm {
-        compilations.all {
-            kotlinOptions.jvmTarget = "11"
-        }
         withJava()
-        testRuns["test"].executionTask.configure {
+        testRuns.configureEach {
+            executionTask {
                 useJUnitPlatform()
             }
         }
+    }
     js(IR) {
-        binaries.executable()
+        useEsModules()
         browser {
             commonWebpackConfig {
-                cssSupport.enabled = true
+                cssSupport {
-                bundleAnalyzerReportDir = File(buildDir, "analysis")
+                    enabled = true
                 }
             }
         }
+        binaries.executable()
+    }
     sourceSets {
-        val commonMain by getting {
+        commonMain {
             dependencies {
                 implementation(compose.runtime)
-                implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
+                implementation(libs.kotlinx.coroutines.core)
-                implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.1")
+                implementation(libs.kotlinx.serialization.json)
             }
         }
-        val commonTest by getting {
+        commonTest {
             dependencies {
-                implementation(kotlin("test"))
+                implementation(libs.kotlin.test)
             }
         }
-        val jvmMain by getting {
+        jvmMain {
             dependencies {
-                implementation("io.ktor:ktor-server-netty:2.1.2")
+                implementation(libs.ktor.server.netty)
-                implementation("io.ktor:ktor-server-html-builder-jvm:2.1.2")
+                implementation(libs.ktor.server.html.builder)
-                implementation("org.jetbrains.kotlinx:kotlinx-html-jvm:0.7.2")
+                implementation(libs.rsocket.ktor.server)
-                implementation("io.rsocket.kotlin:rsocket-ktor-server:0.15.4")
+                implementation(libs.logback.classic)
             }
         }
-        val jvmTest by getting
+        jsMain {
-        val jsMain by getting {
             dependencies {
-                implementation(compose.web.core)
+                implementation(compose.html.core)
-                implementation("io.ktor:ktor-client-js:2.1.2")
+                implementation(libs.ktor.client.js)
-                implementation("io.rsocket.kotlin:rsocket-transport-ktor-websocket-client:0.15.4")
+                implementation(libs.rsocket.transport.ktor.websocket.client)
             }
         }
-        val jsTest by getting
     }
 }
 
@@ -71,8 +72,10 @@ application {
 
 tasks.named<Copy>("jvmProcessResources") {
     val jsBrowserDistribution = tasks.named("jsBrowserDistribution")
-    include("*.js")
+    dependsOn(jsBrowserDistribution)
-    from(jsBrowserDistribution)
+    from(jsBrowserDistribution) {
+        into("www")
+    }
 }
 
 tasks.named<JavaExec>("run") {

gradle.properties

@@ -1,8 +0,0 @@
-kotlin.code.style=official
-kotlin.mpp.enableGranularSourceSetsMetadata=true
-kotlin.native.enableDependencyPropagation=false
-kotlin.js.generate.executable.default=false
-
-kotlin.js.webpack.major.version=4
-kotlin.version=1.7.10
-compose.version=1.2.0

gradle/libs.versions.toml

@@ -0,0 +1,49 @@
+[versions]
+
+kotlin = "1.9.23"
+
+kotlinx-coroutines = "1.8.0"
+
+kotlinx-serialization = "1.6.3"
+
+ktor = "2.3.10"
+
+compose = "1.6.2"
+
+rsocket = "0.15.4"
+
+[plugins]
+
+kotlin-multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
+
+kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
+
+ktor = { id = "io.ktor.plugin", version.ref = "ktor" }
+
+compose = { id = "org.jetbrains.compose", version.ref = "compose" }
+
+[libraries]
+
+kotlin-test = { group = "org.jetbrains.kotlin", name = "kotlin-test", version.ref = "kotlin" }
+
+kotlinx-coroutines-core = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-core", version.ref = "kotlinx-coroutines" }
+
+kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-serialization-json", version.ref = "kotlinx-serialization" }
+
+compose-runtime = { module = "org.jetbrains.compose.runtime:runtime", version.ref = "compose" }
+
+compose-html-core = { group = "org.jetbrains.compose.html", name = "html-core", version.ref = "compose" }
+
+ktor-bom = { group = "io.ktor", name = "ktor-bom", version.ref = "ktor" }
+
+ktor-client-js = { group = "io.ktor", name = "ktor-client-js", version.ref = "ktor" }
+
+ktor-server-netty = { module = "io.ktor:ktor-server-netty", version.ref = "ktor" }
+
+ktor-server-html-builder = { module = "io.ktor:ktor-server-html-builder", version.ref = "ktor" }
+
+rsocket-ktor-server = { module = "io.rsocket.kotlin:rsocket-ktor-server", version.ref = "rsocket" }
+
+rsocket-transport-ktor-websocket-client = { module = "io.rsocket.kotlin:rsocket-transport-ktor-websocket-client", version.ref = "rsocket" }
+
+logback-classic = "ch.qos.logback:logback-classic:1.5.6"

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,7 @@
 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-8.7-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,13 +80,11 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+# This is normally unused
-
+# shellcheck disable=SC2034
-APP_NAME="Gradle"
 APP_BASE_NAME=${0##*/}
-
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -133,22 +131,29 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
     fi
+fi
 
 # Increase the maximum file descriptors if we can.
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -193,11 +198,15 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
-# Collect all arguments for the java command;
+
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-#     shell script including quotes and variable substitutions, so put them in
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-#     double quotes to make sure that they get re-expanded; and
+
-#   * put everything else in single quotes, so that it's not re-expanded.
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
@@ -205,6 +214,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.

gradlew.bat

@@ -26,6 +26,7 @@ if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,13 +41,13 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
-echo.
+echo. 1>&2
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
-echo.
+echo. 1>&2
-echo Please set the JAVA_HOME variable in your environment to match the
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
-echo location of your Java installation.
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -56,11 +57,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
+echo. 1>&2
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
-echo.
+echo. 1>&2
-echo Please set the JAVA_HOME variable in your environment to match the
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
-echo location of your Java installation.
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -75,13 +76,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+set EXIT_CODE=%ERRORLEVEL%
-exit /b 1
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal

settings.gradle.kts

@@ -1,18 +1 @@
-
 rootProject.name = "full-stack-demo"
-
-pluginManagement {
-    repositories {
-        google()
-        gradlePluginPortal()
-        mavenCentral()
-        maven("https://maven.pkg.jetbrains.space/public/p/compose/dev")
-    }
-
-    plugins {
-        kotlin("multiplatform").version(extra["kotlin.version"] as String)
-        id("org.jetbrains.compose").version(extra["compose.version"] as String)
-    }
-}
-
-

src/jvmMain/kotlin/server.kt

@@ -6,6 +6,7 @@ import io.ktor.server.application.install
 import io.ktor.server.engine.embeddedServer
 import io.ktor.server.html.respondHtml
 import io.ktor.server.http.content.resources
+import io.ktor.server.http.content.staticResources
 import io.ktor.server.netty.Netty
 import io.ktor.server.routing.get
 import io.ktor.server.routing.routing
@@ -62,7 +63,7 @@ fun main() {
             get("/") {
                 call.respondHtml(HttpStatusCode.OK, HTML::index)
             }
-            resources()
+            staticResources("/","www")
 
             rSocket("rsocket") {
                 println(config.setupPayload.data.readText()) //print setup payload data