buildscript { ext.kotlin_version = '1.2.41' repositories { mavenCentral() } dependencies { classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" } } group 'com.baeldung' version '1.0-SNAPSHOT' apply plugin: 'kotlin2js' repositories { mavenCentral() } dependencies { compile "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlin_version" testCompile "org.jetbrains.kotlin:kotlin-test-js:$kotlin_version" } compileKotlin2Js.kotlinOptions { moduleKind = "commonjs" outputFile = "node/crypto.js" }