Publish skiko as mpp library (#219)

.github/workflows/blank.yml

@@ -90,7 +90,7 @@ jobs:
            source ./emsdk_env.sh
            cd ..
            ./gradlew -Pskiko.wasm.enabled=true jsTest
-           ./gradlew -Pskiko.wasm.enabled=true publishSkikoWasmRuntimePublicationToMavenLocal publishSkikoJsRuntimePublicationToMavenLocal
+           ./gradlew -Pskiko.wasm.enabled=true publishSkikoWasmRuntimePublicationToMavenLocal
    windows:
     runs-on: windows-2019
     steps:

samples/SkiaJsSample/build.gradle.kts

@@ -39,15 +39,14 @@ kotlin {
     }
 
     sourceSets {
-        val commonMain by getting {}
+        val commonMain by getting {
+            dependencies {
+                implementation("org.jetbrains.skiko:skiko:$version")
+            }
+        }
 
         val jsMain by getting {
             dependsOn(commonMain)
-            dependencies {
-                // This one is tricky - it has js and wasm binaries required for final linking.
-                // We cannot use it directly but need to extract data from there.
-                implementation("org.jetbrains.skiko:skiko-js-runtime:$version")
-            }
             resources.setSrcDirs(resources.srcDirs)
             resources.srcDirs(unzipTask.map { it.destinationDir })
         }

samples/SkiaNativeSample/build.gradle.kts

@@ -52,7 +52,7 @@ kotlin {
     sourceSets {
         val commonMain by getting {
             dependencies {
-                implementation(kotlin("stdlib-common"))
+                implementation("org.jetbrains.skiko:skiko:$version")
             }
         }
 
@@ -66,7 +66,6 @@ kotlin {
             dependsOn(nativeMain)
             dependencies {
                 implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core-macosx64:1.5.2")
-                implementation("org.jetbrains.skiko:skiko-native-runtime-$target:$version")
             }
         }
     }

skiko/build.gradle.kts

@@ -740,7 +740,7 @@ val skikoWasmJar by project.tasks.registering(Jar::class) {
 // disable unexpected native publications (default C++ publications are failing)
 tasks.withType<AbstractPublishToMaven>().configureEach {
     doFirst {
-        if (!publication.name.startsWith("skiko")) {
+        if (!publication.isSkikoPublication()) {
             throw StopExecutionException("Publication '${publication.name}' is disabled")
         }
     }
@@ -777,8 +777,16 @@ tasks.withType<Test>().configureEach {
     }
 }
 
-fun Publication.isSkikoPublication() =
-    (this as? MavenPublication)?.name?.startsWith("skiko") == true
+fun Publication.isSkikoPublication(): Boolean {
+    val component = (this as? org.gradle.api.publish.maven.internal.publication.DefaultMavenPublication)?.component
+
+    // Don't publish libraries included into jvm-runtime-*.
+    // Or whatever `cpp-library` considers their public api.
+    if (component is CppBinary ||
+        component?.javaClass?.simpleName == "MainLibraryVariant") return false
+
+    return true
+}
 
 fun Task.disable() {
     enabled = false
@@ -800,14 +808,14 @@ afterEvaluate {
         }
     }
 
-    // Disable publishing Gradle Metadata, because it seems unnecessary at the moment.
-    // Also generating metadata for default C++ publications fails
+    // Gradle metadata for default C++ publications fails.
     tasks.withType(GenerateModuleMetadata::class).configureEach {
-        disable()
+        if (!this.publication.get().isSkikoPublication()) {
+            disable()
+        }
     }
 
-    // Disable publishing for default publications, because
-    // publishing for default C++ publications fails
+    // Publishing for default C++ publications fails.
     tasks.withType<AbstractPublishToMaven>().configureEach {
         if (!publication.isSkikoPublication()) {
             disable()
@@ -860,39 +868,14 @@ publishing {
                 }
             }
         }
-        create<MavenPublication>("skikoMetadata") {
-            artifactId = SkikoArtifacts.metadataArtifactId
-            afterEvaluate {
-                artifact(project.tasks.named("metadataJar").get())
 
-            }
-        }
-        create<MavenPublication>("skikoJvm") {
-            artifactId = SkikoArtifacts.commonArtifactId
-            afterEvaluate {
-                artifact(skikoJvmJar.map { it.archiveFile.get() })
-            }
-        }
         create<MavenPublication>("skikoJvmRuntime") {
             artifactId = SkikoArtifacts.runtimeArtifactIdFor(targetOs, targetArch)
             afterEvaluate {
                 artifact(skikoJvmRuntimeJar.map { it.archiveFile.get() })
             }
         }
-        if (supportNative) {
-            create<MavenPublication>("skikoNativeRuntime") {
-                artifactId = SkikoArtifacts.nativeRuntimeArtifactIdFor(targetOs, targetArch)
-                afterEvaluate {
-                    artifact(project.tasks.withType(KotlinNativeCompile::class.java)
-                                .single { it.name.startsWith("compileKotlin") } // Exclude compileTestKotlin.
-                                .outputs.files.single { it.name.endsWith(".klib") })
-                }
-            }
-        }
-        create<MavenPublication>("skikoJsRuntime") {
-            artifactId = SkikoArtifacts.jsArtifactId
-            artifact(project.tasks.named("jsJar").get())
-        }
+
         if (supportWasm) {
             create<MavenPublication>("skikoWasmRuntime") {
                 artifactId = SkikoArtifacts.jsWasmArtifactId

skiko/buildSrc/src/main/kotlin/properties.kt

@@ -147,9 +147,7 @@ class SkikoProperties(private val myProject: Project) {
 
 object SkikoArtifacts {
     // names are also used in samples, e.g. samples/SkijaInjectSample/build.gradle
-    val commonArtifactId = "skiko-jvm"
-    val metadataArtifactId = "skiko-metadata"
-    val jsArtifactId = "skiko-js-runtime"
+    val jvmArtifactId = "skiko-jvm"
     val jsWasmArtifactId = "skiko-js-wasm-runtime"
     fun runtimeArtifactIdFor(os: OS, arch: Arch) =
         "skiko-jvm-runtime-${targetId(os, arch)}"

skiko/ci/build.gradle.kts

@@ -20,7 +20,7 @@ dependencies {
         }
     }
 
-    skikoDep(SkikoArtifacts.commonArtifactId)
+    skikoDep(SkikoArtifacts.jvmArtifactId)
     skikoDep(SkikoArtifacts.runtimeArtifactIdFor(OS.Windows, Arch.X64))
     skikoDep(SkikoArtifacts.runtimeArtifactIdFor(OS.Linux, Arch.X64))
     skikoDep(SkikoArtifacts.runtimeArtifactIdFor(OS.Linux, Arch.Arm64))

skiko/gradle.properties

 kotlin.code.style=official
 deploy.version=0.0.0
+kotlin.mpp.enableGranularSourceSetsMetadata=true
 
 dependencies.skia.windows-x64=m94-fd7c5792ca
 dependencies.skia.linux-x64=m94-fd7c5792ca