Conditional “multiple” attribute in <input type=“file”> with AngularJS

Question

I need an upload form field that may or may not allow the user to select more than one file.

I know I can do something like:

Answer 1

I come to this page for same issue with Angular 2

And finally fixed like this:

Note: both file type (extAccepts) and maxFiles are reading from component as @input() from the user.

Hope it will help for someone!