@aviarytech/didcomm-messaging/dist/utils/event-bus.js

DIDComm Messaging library for sending and receiving DIDComm messages

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventBus = void 0;
class EventBus {
    constructor() {
        this.subscribers = {};
    }
    dispatch(event, arg) {
        const subscriber = this.subscribers[event];
        if (subscriber === undefined) {
            return;
        }
        Object.keys(subscriber).forEach((key) => subscriber[key].handle(arg));
    }
    register(event, callbackClass) {
        const id = this.getNextId();
        if (!this.subscribers[event])
            this.subscribers[event] = {};
        this.subscribers[event][id] = callbackClass;
        return {
            unregister: () => {
                delete this.subscribers[event][id];
                if (Object.keys(this.subscribers[event]).length === 0)
                    delete this.subscribers[event];
            },
        };
    }
    getNextId() {
        return EventBus.nextId++;
    }
}
exports.EventBus = EventBus;
EventBus.nextId = 0;
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