Gradle, npm: use state file as fake output for :kotlinNpmInstall task

This is required in case when NpmSimpleLinker works (instead of yarn).
NpmSimpleLinker will not produce yarn.lock file, so :kotlinNpmInstall
was always up-to-date. Adding fake state file fixes the problem.

#KT-32874 Fixed

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/nodejs/NodeJsRootExtension.kt

@@ -58,6 +58,9 @@ open class NodeJsRootExtension(val rootProject: Project) {
     val rootPackageDir: File
         get() = rootProject.buildDir.resolve("js")
 
+    internal val rootNodeModulesStateFile: File
+        get() = rootPackageDir.resolve("node_modules.state")
+
     val projectPackagesDir: File
         get() = rootPackageDir.resolve("packages")
 

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/resolver/KotlinRootNpmResolver.kt

@@ -98,6 +98,8 @@ internal class KotlinRootNpmResolver internal constructor(
             }
         }
 
+        nodeJs.rootNodeModulesStateFile.writeText(System.currentTimeMillis().toString())
+
         upToDateChecks.forEach { it.commit() }
 
         return KotlinRootNpmResolution(rootProject, projectResolutions)

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/tasks/KotlinNpmInstallTask.kt

@@ -26,6 +26,11 @@ open class KotlinNpmInstallTask : DefaultTask() {
     val packageJsonFiles: Collection<File>
         get() = resolutionManager.packageJsonFiles
 
+    // avoid using node_modules as output directory, as it is significantly slows down build
+    @get:OutputFile
+    val nodeModulesState: File
+        get() = nodeJs.rootNodeModulesStateFile
+
     @get:OutputFile
     val yarnLock: File
         get() = nodeJs.rootPackageDir.resolve("yarn.lock")