[K/JS] Prepare JS Plain Objects plugin to publication

libraries/tools/js-plain-objects/build.gradle.kts

@@ -0,0 +1,18 @@
+plugins {
+    id("gradle-plugin-common-configuration")
+}
+
+dependencies {
+    commonApi(platform(project(":kotlin-gradle-plugins-bom")))
+}
+
+gradlePlugin {
+    plugins {
+        create("js-plain-objects") {
+            id = "org.jetbrains.kotlin.plugin.js-plain-objects"
+            displayName = "Kotlin compiler plugin for typed JS-objects library"
+            description = displayName
+            implementationClass = "org.jetbrains.kotlinx.jspo.gradle.JsPlainObjectsKotlinGradleSubplugin"
+        }
+    }
+}

libraries/tools/js-plain-objects/src/common/kotlin/org/jetbrains/kotlinx/jso/gradle/JsPlainObjectsKotlinGradleSubplugin.kt

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlinx.jspo.gradle
+
+import org.gradle.api.provider.Provider
+import org.jetbrains.kotlin.gradle.plugin.*
+
+class JsPlainObjectsKotlinGradleSubplugin : KotlinCompilerPluginSupportPlugin {
+    companion object {
+        const val JS_PLAIN_OBJECTS_ARTIFACT_NAME = "kotlinx-js-plain-objects-compiler-plugin-embeddable"
+    }
+
+    override fun isApplicable(kotlinCompilation: KotlinCompilation<*>): Boolean =
+        kotlinCompilation.target.isJs() || kotlinCompilation.target.isWasm()
+
+    override fun applyToCompilation(
+        kotlinCompilation: KotlinCompilation<*>
+    ): Provider<List<SubpluginOption>> =
+        kotlinCompilation.target.project.provider { emptyList() }
+
+    override fun getPluginArtifact(): SubpluginArtifact =
+        JetBrainsSubpluginArtifact(JS_PLAIN_OBJECTS_ARTIFACT_NAME)
+
+    override fun getCompilerPluginId() = "org.jetbrains.kotlinx.js-plain-objects"
+
+    private fun KotlinTarget.isJs() = platformType == KotlinPlatformType.js
+
+    private fun KotlinTarget.isWasm() = platformType == KotlinPlatformType.wasm
+}

libraries/tools/js-plain-objects/src/common/resources/META-INF/gradle-plugins/kotlinx-js-plain-objects.properties

@@ -0,0 +1 @@
+implementation-class=org.jetbrains.kotlinx.jspo.gradle.JsPlainObjectsKotlinGradleSubplugin