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Typescript ionic 3 add call to all constructors

how can I forward the call if not logedIn in all page constructors without repeating myself?

  constructor(protected appCtrl: AppController) {
    this.appCtrl.redirectIfNotLogedIn();
  }
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I suggest having a class BaseComponent

that implements ionViewCanEnter

that returns a boolean.

Runs before the view appears. This can be used as a kind of "security" on authenticated views where you need to check permissions before the view can enter

export class BaseComponent{
  constructor(){}

  ionViewCanEnter(){
    //check if logged in or not and return the boolean value
  }

}


This component can be extended by all of your pages.

  export class MyPage extends BaseComponent{
  //...
  }

You can try to call yours this.appCtrl.redirectIfNotLogedIn();

in the BaseComponent constructor, but I suggest you use NavGuard.

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