I\'m trying to migrate some javascript files to Typescript in a legacy ASP.NET MVC 5 project. I I\'ve created a Typescript file and the compilation from TS to JS works as ex
To ensure you get the correct settings in your Visual Studio project file:
Add a temp.ts file to your project via Visual Studio and save it (you may get a dialogue about Visual Studio looking up TypeScript types)
Your project file should have updated. Save it.
Close the solution and re-open it.
TypeScript Build Tab should be in the project properties.
Delete the temp.ts file.
(I derived this from Eric D. Johnson's comment here):
https://developercommunity.visualstudio.com/content/problem/98916/typescript-build-tab-not-showing-in-project-proper.html