Tag Helper scope with _ViewImports file

• The _ViewImports.cshtml can be added to any view folder, and the view engine applies the directives from both that file and the Views/_ViewImports.cshtml file.
• The _ViewImports.cshtml file is additive, If you add an empty Views/Home/_ViewImports.cshtml file for the Home views, there would be no change because it will import all tag helpers from Views/_ViewImports.cshtml file.
• If you add new tag helpers in Views/Home/_ViewImports.cshtml file for the Home views, it will import all tag helpers from Views/_ViewImports.cshtml file, also it will import all tag helpers from Views/Home/_ViewImports.cshtml file.
• Any new @addTagHelper directives you add to the Views/Home/_ViewImports.cshtml file (that are not in the default Views/_ViewImports.cshtml file) would expose those Tag Helpers to views only in the Home folder.

References:

• Tag Helpers in ASP.NET Core

Related Post(s):

• Custom Tag Helpers in ASP.NET Core
• Remove Tag Helpers with @removeTagHelper
• Enable Tag Helper using @tagHelperPrefix