generate source and javadoc jar

build.gradle.kts

@@ -3,6 +3,7 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 plugins {
     kotlin("jvm") version "2.1.10"
     `maven-publish` // for publishToMavenLocal
+    id("org.jetbrains.dokka-javadoc") version "2.0.0"
 }
 
 group = "net.eksb"
@@ -12,6 +13,8 @@ dependencies {}
 java {
     targetCompatibility = JavaVersion.VERSION_17
     sourceCompatibility = JavaVersion.VERSION_17
+
+    withSourcesJar()
 }
 kotlin {
     compilerOptions {
@@ -19,10 +22,18 @@ kotlin {
     }
 }
 
+val dokkaJavadocJar by tasks.registering(Jar::class) {
+    description = "${rootProject.name} JavaDoc"
+    from(tasks.dokkaGeneratePublicationJavadoc.flatMap { it.outputDirectory })
+    archiveClassifier.set("javadoc")
+}
+
 publishing {
     publications {
         create<MavenPublication>("maven") {
             from(components["java"])
+            tasks["generateMetadataFileForMavenPublication"].dependsOn(dokkaJavadocJar)
+            artifact(dokkaJavadocJar)
         }
     }
 }

gradle.properties

@@ -0,0 +1 @@
+org.jetbrains.dokka.experimental.gradle.pluginMode=V2EnabledWithHelpers