ngClass in host property of component decorator does not work

Question

I created the following simple example component that adds some attributes and listener to the component DOM element using the host property of the @Component decorator. In my c

Answer 1

ngClass is a directive and can't be used in host bindings. Host bindings only supports

• property '[propName]':'expr'
• attribute '[attr.attrName]':'expr'
• event (event)="someFunction(event);otherExpr",
• style [style.width]="booleanExpr"
• class [class.className]="booleanExpr" binding.
• class [class]="expr" where expr is a string with space separated classes