export class EventBus {
    constructor() {
        this.events = new Map();
    }
    emit(id, data = {}) {
        let ev = this.events.get(id);
        if (!ev) {
            let ev = new EventItem(id);
            this.events.set(id, ev);
            return;
        }
        ev.subscribers.forEach((subscriber) => {
            subscriber(data);
        });
    }
    subscribe(id, subscriber) {
        let ev = this.events.get(id);
        if (!ev) {
            ev = new EventItem(id);
            this.events.set(id, ev);
        }
        ev.subscribers.push(subscriber);
    }
    unsubscribe(id, subscriber) {
        if (this.events.has(id)) {
            let ev = this.events.get(id);
            ev.subscribers = ev.subscribers.filter((fn) => fn !== subscriber);
            if (ev.subscribers.length < 1) {
                this.events.delete(id);
            }
        }
    }
    unsubscribeAll(id) {
        if (this.events.has(id)) {
            this.events.delete(id);
        }
    }
}
export class EventItem {
    constructor(id) {
        this.id = id;
        this.subscribers = [];
    }
}