28 lines
874 B
JavaScript
28 lines
874 B
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
// /**
|
|
// * The Observer interface declares the update method, used by subjects.
|
|
// */
|
|
// interface Observer {
|
|
// // Receive update from subject.
|
|
// update(subject: Subject): void;
|
|
// }
|
|
// /**
|
|
// * Concrete Observers react to the updates issued by the Subject they had been
|
|
// * attached to.
|
|
// */
|
|
// class ConcreteObserverA implements Observer {
|
|
// public update(subject: Subject): void {
|
|
// if (subject.state < 3) {
|
|
// console.log('ConcreteObserverA: Reacted to the event.');
|
|
// }
|
|
// }
|
|
// }
|
|
// class ConcreteObserverB implements Observer {
|
|
// public update(subject: Subject): void {
|
|
// if (subject.state === 0 || subject.state >= 2) {
|
|
// console.log('ConcreteObserverB: Reacted to the event.');
|
|
// }
|
|
// }
|
|
// }
|