Gradle, js, karma: require webpack npm dependencies

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/subtargets/KotlinBrowserJs.kt

@@ -12,7 +12,7 @@ import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsBrowserDsl
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin
 import org.jetbrains.kotlin.gradle.targets.js.testing.KotlinJsTest
 import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpack
-import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfigWriter
+import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig
 import org.jetbrains.kotlin.gradle.tasks.createOrRegisterTask
 
 class KotlinBrowserJs(target: KotlinJsTarget) :
@@ -67,7 +67,7 @@ class KotlinBrowserJs(target: KotlinJsTarget) :
             it.compilation = compilation
             it.description = "start webpack dev server"
 
-            it.devServer = KotlinWebpackConfigWriter.DevServer(
+            it.devServer = KotlinWebpackConfig.DevServer(
                 open = true,
                 contentBase = listOf(compilation.output.resourcesDir.canonicalPath)
             )

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt

@@ -25,7 +25,7 @@ import org.jetbrains.kotlin.gradle.targets.js.npm.npmProject
 import org.jetbrains.kotlin.gradle.targets.js.testing.KotlinJsTest
 import org.jetbrains.kotlin.gradle.targets.js.testing.KotlinJsTestFramework
 import org.jetbrains.kotlin.gradle.targets.js.testing.karma.KarmaConfig.CoverageReporter.Reporter
-import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfigWriter
+import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig
 import org.jetbrains.kotlin.gradle.testing.internal.reportsDir
 import org.slf4j.Logger
 import java.io.File
@@ -108,19 +108,22 @@ class KotlinKarma(override val compilation: KotlinJsCompilation) : KotlinJsTestF
         requiredDependencies.add(versions.karmaWebpack)
         requiredDependencies.add(versions.webpack)
 
+        val webpackConfigWriter = KotlinWebpackConfig(
+            configDirectory = project.projectDir.resolve("webpack.config.d").takeIf { it.isDirectory },
+            sourceMaps = true,
+            export = false,
+            progressReporter = true,
+            progressReporterPathFilter = nodeJs.rootPackageDir.absolutePath
+        )
+        requiredDependencies.addAll(webpackConfigWriter.getRequiredDependencies(versions))
+
         addPreprocessor("webpack")
         confJsWriters.add {
             it.appendln()
             it.appendln("// webpack config")
             it.appendln("function createWebpackConfig() {")
 
-            KotlinWebpackConfigWriter(
-                configDirectory = project.projectDir.resolve("webpack.config.d").takeIf { it.isDirectory },
-                sourceMaps = true,
-                export = false,
-                progressReporter = true,
-                progressReporterPathFilter = nodeJs.rootPackageDir.absolutePath
-            ).appendTo(it)
+            webpackConfigWriter.appendTo(it)
 
             it.appendln("   return config;")
             it.appendln("}")

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/webpack/KotlinWebpack.kt

@@ -102,14 +102,14 @@ open class KotlinWebpack : DefaultTask(), RequiresNpmDependencies {
 
     @Input
     @Optional
-    var devServer: KotlinWebpackConfigWriter.DevServer? = null
+    var devServer: KotlinWebpackConfig.DevServer? = null
 
     private fun createRunner() = KotlinWebpackRunner(
         compilation.npmProject,
         configFile,
         execHandleFactory,
         bin,
-        KotlinWebpackConfigWriter(
+        KotlinWebpackConfig(
             entry = entry,
             reportEvaluatedConfigFile = if (saveEvaluatedConfigFile) evaluatedConfigFile else null,
             outputPath = destinationDirectory,
@@ -126,23 +126,7 @@ open class KotlinWebpack : DefaultTask(), RequiresNpmDependencies {
         @Internal get() = true
 
     override val requiredNpmDependencies: Collection<NpmPackageVersion>
-        @Internal get() = mutableListOf<NpmPackageVersion>().also {
-            it.add(versions.webpack)
-            it.add(versions.webpackCli)
-
-            if (report) {
-                it.add(versions.webpackBundleAnalyzer)
-            }
-
-            if (sourceMaps) {
-                it.add(versions.sourceMapLoader)
-                it.add(versions.sourceMapSupport)
-            }
-
-            if (devServer != null) {
-                it.add(versions.webpackDevServer)
-            }
-        }
+        @Internal get() = createRunner().config.getRequiredDependencies(versions)
 
     @TaskAction
     fun doExecute() {
@@ -160,7 +144,7 @@ open class KotlinWebpack : DefaultTask(), RequiresNpmDependencies {
             }
         } else {
             runner.copy(
-                configWriter = runner.configWriter.copy(
+                config = runner.config.copy(
                     progressReporter = true,
                     progressReporterPathFilter = nodeJs.rootPackageDir.absolutePath
                 )

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/webpack/KotlinWebpackConfig.kt

@@ -9,13 +9,15 @@ package org.jetbrains.kotlin.gradle.targets.js.webpack
 
 import com.google.gson.GsonBuilder
 import com.google.gson.stream.JsonWriter
+import org.jetbrains.kotlin.gradle.targets.js.NpmPackageVersion
+import org.jetbrains.kotlin.gradle.targets.js.NpmVersions
 import org.jetbrains.kotlin.gradle.targets.js.appendConfigsFromDir
 import java.io.File
 import java.io.Serializable
 import java.io.StringWriter
 
 @Suppress("MemberVisibilityCanBePrivate")
-data class KotlinWebpackConfigWriter(
+data class KotlinWebpackConfig(
     val mode: Mode = Mode.DEVELOPMENT,
     val entry: File? = null,
     val outputPath: File? = null,
@@ -31,6 +33,24 @@ data class KotlinWebpackConfigWriter(
     val progressReporter: Boolean = false,
     val progressReporterPathFilter: String? = null
 ) {
+    fun getRequiredDependencies(versions: NpmVersions) = mutableListOf<NpmPackageVersion>().also {
+        it.add(versions.webpack)
+        it.add(versions.webpackCli)
+
+        if (bundleAnalyzerReportDir != null) {
+            it.add(versions.webpackBundleAnalyzer)
+        }
+
+        if (sourceMaps) {
+            it.add(versions.sourceMapLoader)
+            it.add(versions.sourceMapSupport)
+        }
+
+        if (devServer != null) {
+            it.add(versions.webpackDevServer)
+        }
+    }
+
     enum class Mode(val code: String) {
         DEVELOPMENT("development"),
         PRODUCTION("production")

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/webpack/KotlinWebpackRunner.kt

@@ -17,7 +17,7 @@ internal data class KotlinWebpackRunner(
     val configFile: File,
     val execHandleFactory: ExecHandleFactory,
     val tool: String,
-    val configWriter: KotlinWebpackConfigWriter
+    val config: KotlinWebpackConfig
 ) {
     fun execute() = npmProject.project.execWithProgress("webpack") {
         configureExec(it)
@@ -32,14 +32,14 @@ internal data class KotlinWebpackRunner(
     }
 
     private fun configureExec(execFactory: ExecSpec) {
-        check(configWriter.entry?.isFile == true) {
-            "${this}: Entry file not existed \"${configWriter.entry}\""
+        check(config.entry?.isFile == true) {
+            "${this}: Entry file not existed \"${config.entry}\""
         }
 
-        configWriter.save(configFile)
+        config.save(configFile)
 
         val args = mutableListOf<String>("--config", configFile.absolutePath)
-        if (configWriter.showProgress) {
+        if (config.showProgress) {
             args.add("--progress")
         }