Get rid of deprecated outputFileProperty

Author: ilgonmic

plugin/main/src/kotlinx/benchmark/gradle/JsEngineExecTasks.kt

@@ -45,16 +45,14 @@ fun Project.createJsEngineBenchmarkExecTask(
 }
 
 private fun Project.getExecutableFile(compilation: KotlinJsIrCompilation): Provider<RegularFile> {
-    val executableFile = when (val kotlinTarget = compilation.target) {
-        is KotlinJsIrTarget -> {
-            val binary = kotlinTarget.binaries.executable(compilation)
-                .first { it.mode == KotlinJsBinaryMode.PRODUCTION } as JsIrBinary
-            val outputFile = binary.linkTask.flatMap { it.outputFileProperty }
-            val destinationDir = binary.linkSyncTask.map { it.destinationDir }
-            destinationDir.zip(outputFile) { dir, file -> dir.resolve(file.name) }
-        }
-        else -> compilation.compileKotlinTaskProvider.flatMap { it.outputFileProperty }
+    val kotlinTarget = compilation.target as KotlinJsIrTarget
+    val binary = kotlinTarget.binaries.executable(compilation)
+        .first { it.mode == KotlinJsBinaryMode.PRODUCTION } as JsIrBinary
+    val outputFileName = binary.linkTask.flatMap { task ->
+        task.compilerOptions.moduleName.map { "$it.js" }
     }
+    val destinationDir = binary.linkSyncTask.map { it.destinationDir }
+    val executableFile = destinationDir.zip(outputFileName) { dir, fileName -> dir.resolve(fileName) }
     return project.layout.file(executableFile)
 }