gradle/node-js.gradle

apply plugin: 'com.moowork.node'

node {
    version = "$node_version"
    npmVersion = "$npm_version"
    download = true
    nodeModulesDir = file(buildDir)
}

// Configures testing for JS modules

task prepareNodePackage(type: Copy) {
   from("npm") {
       include 'package.json'
       expand (project.properties + [kotlinDependency: ""])
   }
   from("npm") {
       exclude 'package.json'
   }
   into "$node.nodeModulesDir"
}

npmInstall.dependsOn prepareNodePackage

task populateNodeModules(type: Copy, dependsOn: [compileKotlin2Js]) {
    from compileKotlin2Js.destinationDir
    into "$node.nodeModulesDir/node_modules"

    afterEvaluate {
        configurations.testCompile.each {
            if (it.absolutePath.endsWith(".jar")) {
                from zipTree(it.absolutePath).matching {
                    include '*.js'
                    include '*.js.map'
                }
            }
        }
    }
}

npmInstall.dependsOn populateNodeModules