Property 'X' is private and only accessible within class 'xyzComponent'

Question

I\'m trying to build angular2 application for production for that I\'m following this blog. After my ngc successful compilation when the

Answer 1

For a given component all its members (methods, properties) accessed by its template must be public in the AOT compilation scenario. This is due to the fact that a template is turned into a TS class. A generated class and a component are 2 separate classes now and you can't access private members cross-class.

In short: you can't access private members in your templates if you want to use ahead-of-time compilation.

For better explaination https://github.com/angular/angular/issues/11422