[Gradle, JS] Remove copypaste on name only npm dependency

#KT-38683 fixed

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/DefaultKotlinDependencyHandler.kt

@@ -15,6 +15,7 @@ import org.jetbrains.kotlin.gradle.plugin.KotlinNpmDependencyHandler
 import org.jetbrains.kotlin.gradle.targets.js.npm.NpmDependency
 import org.jetbrains.kotlin.gradle.targets.js.npm.directoryNpmDependency
 import org.jetbrains.kotlin.gradle.targets.js.npm.moduleName
+import org.jetbrains.kotlin.gradle.targets.js.npm.onlyNameNpmDependency
 import java.io.File
 
 class DefaultKotlinDependencyHandler(
@@ -66,10 +67,6 @@ class DefaultKotlinDependencyHandler(
     override fun project(notation: Map<String, Any?>): ProjectDependency =
         project.dependencies.project(notation) as ProjectDependency
 
-    override fun npm(name: String): Dependency {
-        throw IllegalArgumentException("NPM dependency '$name' doesn't have version. Please, set version explicitly.")
-    }
-
     private fun addDependencyByAnyNotation(
         configurationName: String,
         dependencyNotation: Any
@@ -93,6 +90,9 @@ class DefaultKotlinDependencyHandler(
             project.dependencies.add(configurationName, it)
         }
 
+    override fun npm(name: String): Dependency =
+        onlyNameNpmDependency(name)
+
     override fun npm(name: String, version: String): NpmDependency =
         NpmDependency(
             project = project,

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

@@ -145,6 +145,12 @@ internal fun directoryNpmDependency(
     )
 }
 
+internal fun onlyNameNpmDependency(
+    name: String
+): Nothing {
+    throw IllegalArgumentException("NPM dependency '$name' doesn't have version. Please, set version explicitly.")
+}
+
 internal fun String.isFileVersion() =
     startsWith(FILE_VERSION_PREFIX)
 

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

@@ -27,7 +27,7 @@ private class DefaultNpmDependencyExtension(
     private val scope: NpmDependency.Scope
 ) : NpmDependencyExtension, Closure<NpmDependency>(project.dependencies) {
     override fun invoke(name: String): NpmDependency =
-        throw IllegalArgumentException("NPM dependency '$name' doesn't have version. Please, set version explicitly.")
+        onlyNameNpmDependency(name)
 
     override operator fun invoke(name: String, version: String): NpmDependency =
         NpmDependency(