build: publishes Nashorn as standalone plugin.

Author: outofcoffee

scripting/nashorn/build.gradle

@@ -1,6 +1,7 @@
 apply plugin: 'java-library'
 apply plugin: 'kotlin'
 apply plugin: 'maven-publish'
+apply plugin: 'com.github.johnrengelman.shadow'
 
 ext {
     version_nashorn_core = '15.4'
@@ -14,7 +15,7 @@ dependencies {
     implementation project(':core:imposter-engine')
     implementation project(':scripting:scripting-common')
 
-    implementation "org.openjdk.nashorn:nashorn-core:$version_nashorn_core"
+    pluginImplementation "org.openjdk.nashorn:nashorn-core:$version_nashorn_core"
 
     // test
     testImplementation project(':test:test-utils')
@@ -36,7 +37,7 @@ artifacts {
 publishing {
     publications {
         maven(MavenPublication) {
-            from components.java
+            artifact shadowJar
             artifact sourcesJar
 
             repositories {
@@ -69,3 +70,15 @@ compileTestKotlin {
         freeCompilerArgs = ["-Xjvm-default=all"]
     }
 }
+
+shadowJar {
+    // override plugin archive name
+    archiveBaseName.set("imposter-plugin-js-nashorn")
+    archiveVersion.set('')
+    archiveClassifier.set('')
+    configurations = [project.configurations.pluginImplementation]
+}
+
+task dist {
+    dependsOn shadowJar
+}