EventManager

interface EventListener {
  handleEvent(eventName: string, data: any): void;
}

class LoggerListener implements EventListener {
  handleEvent(eventName: string, data: any): void {
    console.log(`Logger: Event "${eventName}" occurred with data:`, data);
  }
}

class AnalyticsListener implements EventListener {
  handleEvent(eventName: string, data: any): void {
    console.log(`Analytics: Captured event "${eventName}" with data:`, data);
  }
}

class EventManager {
  private listeners: EventListener[] = [];

  addListener(listener: EventListener): void {
    this.listeners.push(listener);
  }

  triggerEvent(eventName: string, data: any): void {
    this.listeners.forEach((listener) => listener.handleEvent(eventName, data));
  }
}

// Пример использования
const eventManager = new EventManager();
eventManager.addListener(new LoggerListener());
eventManager.addListener(new AnalyticsListener());

eventManager.triggerEvent("user_login", { userId: 123 });
// Logger: Event "user_login" occurred with data: { userId: 123 }
// Analytics: Captured event "user_login" with data: { userId: 123 }