Set up shadow jar generation

build.gradle.kts

@@ -1,23 +1,49 @@
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     kotlin("jvm") version "1.8.21"
     id("org.jlleitschuh.gradle.ktlint") version "12.1.0"
+    id("com.gradleup.shadow") version "8.3.0"
 }
 
 group = "eu.iamgio.quarkdown"
 version = "1.0-SNAPSHOT"
 
+allprojects {
+    repositories {
+        mavenCentral()
+    }
+}
+
+dependencies {
+    subprojects.forEach {
+        implementation(it)
+    }
+}
+
+tasks.build {
+    dependsOn("shadowJar")
+}
+
+tasks.jar {
+    enabled = false // The jar is generated by shadowJar
+}
+
 tasks.test {
     useJUnitPlatform()
 }
 
+tasks.wrapper {
+    gradleVersion = "8.3"
+    distributionType = Wrapper.DistributionType.ALL
+}
+
 tasks.withType<KotlinCompile> {
     kotlinOptions.jvmTarget = "1.8"
 }
 
-allprojects {
-    repositories {
-        mavenCentral()
-    }
+tasks.withType<ShadowJar> {
+    archiveVersion.set("")
+    archiveClassifier.set("")
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
+zipStorePath=wrapper/dists