Angular - Hide sidebar menu after clicking a menu item

Question

I created a sidebar menu, but I am not able to hide the menu after I click on a menu item. I followed the example from https://blog.thecodecampus.de/angular-2-animate-creating-s

Answer 1

I have updated the answer below mentioned link. Toggle nav bar on the click of the sub menu

Answer Updated https://stackoverflow.com/a/58995299/714707