(Angular 2) What is the best way to pass a variable from a component to an adjacent component?

Question

JavaScript

There is a certain tree of components, conditionally the main one and two children. It is necessary that when an event of one component (let's say a button click) changes the values ​​in another component. How can I do this without passing values ​​to the parent component?

Answer 1

Двусторонне привяжите оба View к одной Model.

Answer 2

Сделать сервис.
https://angular.io/docs/ts/latest/tutorial/toh-pt4.html