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Answer

Move method from component to custom directives using keyup

Hi!
 
I've multiple places where I want to use the logic from the same method for ng-keyup. I came across custom directives which seem to be what I'm looking for.
 
Some dummy code below. How can I move the method from the x-component.ts to z-directive.ts? 
 
x-component.html 
  1. <textarea #msg (keyup)="color(msg)"></textarea>
  
x-component.ts:
Just a dummy using color
  1. color(textArea: HTMLTextAreaElement){  
  2.     this.el.nativeElement.style ="color;  
  3. }  
z-directive.ts
How can the code above be translated and used from this z-directive.ts instead?