[Gradle, JS] Add string sompiler setting in js plugin

#KT-38485 fixed

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinProjectExtension.kt

@@ -162,6 +162,17 @@ open class KotlinJsProjectExtension :
         body: KotlinJsTargetDsl.() -> Unit = { }
     ): KotlinJsTargetDsl = jsInternal(compiler, body)
 
+    fun js(
+        compiler: String,
+        body: KotlinJsTargetDsl.() -> Unit = { }
+    ): KotlinJsTargetDsl = js(
+        KotlinJsCompilerType.byArgument(compiler)
+            ?: throw IllegalArgumentException(
+                "Unable to find $compiler setting. Use [${KotlinJsCompilerType.values().toList().joinToString()}]"
+            ),
+        body
+    )
+
     fun js(
         body: KotlinJsTargetDsl.() -> Unit = { }
     ) = jsInternal(body = body)
@@ -173,6 +184,11 @@ open class KotlinJsProjectExtension :
             ConfigureUtil.configure(configure, this)
         }
 
+    fun js(compiler: String, configure: Closure<*>) =
+        js(compiler = compiler) {
+            ConfigureUtil.configure(configure, this)
+        }
+
     fun js(configure: Closure<*>) = jsInternal {
         ConfigureUtil.configure(configure, this)
     }