Not wrong, see the Windows 10 OneNote app for example, which already uses Typescript on WinRT/UWP. An Electron target will only be for legacy platforms, like Windows 7 and 8.
Also see https://www.thurrott.com/cloud/office-365/161295/microsoft-r...
Also see https://www.thurrott.com/cloud/office-365/161295/microsoft-r...