This extension is made for Vue CLI with ASP.NET Core, and you can use this middleware just like Angular Cli middleware
Get it from nuget package manager
Install-Package Changwei.AspNetCore.SpaServices.Extensions.VueCli
After created a ASP.NET Core Angular project, you should replace the SPA content with your Vue app, and use VueCliMiddleware as below in Startup.cs:
Now you can debug your Vue apps with ASP.NET Core