Generate javadoc artifacts with Dokka plugin to fix SonaType publication

CHANGELOG.md

@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+- Provide javadoc artifacts for Sonatype Maven Central
 
 ## [1.2.4] - 2024-03-23
 ### Changed

log4k-slf4j/build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     kotlin("multiplatform")
     id("com.android.library")
+    id("org.jetbrains.dokka")
     `maven-publish`
     signing
 }
@@ -43,6 +44,13 @@ version = "1.2.4"
 
 publishing {
     publications.withType<MavenPublication> {
+        artifact(project.tasks.register("${name}DokkaJar", Jar::class) {
+            group = JavaBasePlugin.DOCUMENTATION_GROUP
+            description = "Assembles Kotlin docs with Dokka into a Javadoc jar"
+            archiveClassifier.set("javadoc")
+            from(tasks.named("dokkaHtml"))
+            archiveBaseName.set("${archiveBaseName.get()}-$name")
+        })
         pom {
             name.set("Log4K-SLF4J")
             description.set("Lightweight logging library for Kotlin/Multiplatform - SLF4J integration. Supports Android, iOS, JavaScript and plain JVM environments.")

log4k/build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     kotlin("multiplatform")
     id("com.android.library")
+    id("org.jetbrains.dokka")
     `maven-publish`
     signing
 }
@@ -54,6 +55,13 @@ version = "1.2.4"
 
 publishing {
     publications.withType<MavenPublication> {
+        artifact(project.tasks.register("${name}DokkaJar", Jar::class) {
+            group = JavaBasePlugin.DOCUMENTATION_GROUP
+            description = "Assembles Kotlin docs with Dokka into a Javadoc jar"
+            archiveClassifier.set("javadoc")
+            from(tasks.named("dokkaHtml"))
+            archiveBaseName.set("${archiveBaseName.get()}-$name")
+        })
         pom {
             name.set("Log4K")
             description.set("Lightweight logging library for Kotlin/Multiplatform. Supports Android, iOS, JavaScript and plain JVM environments.")

settings.gradle.kts

@@ -7,6 +7,7 @@ pluginManagement {
     plugins {
         kotlin("multiplatform") version "1.9.23"
         id("com.android.library") version "8.2.2"
+        id("org.jetbrains.dokka") version "1.9.20"
     }
 }