using System.Threading.Tasks; using Microsoft.AspNet.Mvc; using Microsoft.AspNet.NodeServices; namespace ES2015Example.Controllers { public class ScriptController : Controller { private static NodeInstance nodeInstance = new NodeInstance(); public async Task Transpile(string filename) { // TODO: Don't hard-code wwwroot; use proper path conversions var fileContents = System.IO.File.ReadAllText("wwwroot/" + filename); var transpiledResult = await nodeInstance.Invoke("transpilation.js", fileContents); return Content(transpiledResult, "application/javascript"); } } }