This is a vanilla File -> New Project -> MVC Internet Website project with a goal of demonstrating how you might use ToTypeScriptD to generate TypeScript type definition (.d.ts) files automatically from your .Net assembly(s).
Install ToTypeScriptD with Chocolatey
cinst ToTypeScriptD
ToTypeScriptD dotnet SampleWebAPI\bin\SampleWebAPI.dll
ToTypeScriptD dotnet SampleWebAPI\bin\SampleWebAPI.dll > SampleWebAPITypeDefinitions.d.ts
ToTypeScriptD dotnet SampleWebAPI\bin\SampleWebAPI.dll --regexFilter "SampleWebAPI.Controllers"