msg91-webrtc-call/dist/util/event-emitter.js

**msg91-webrtc-call** is a lightweight JavaScript SDK that enables you to easily add peer-to-peer WebRTC audio/video calling functionality to your web applications using the MSG91 infrastructure.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventEmitter = void 0;
class EventEmitter {
    constructor() {
        this.eventListeners = {};
    }
    on(event, callback) {
        if (!this.eventListeners[event]) {
            this.eventListeners[event] = [];
        }
        this.eventListeners[event].push(callback);
        return {
            remove: () => {
                this.removeListener(event, callback);
            }
        };
    }
    emit(event, data) {
        const listeners = this.eventListeners[event];
        if (listeners) {
            for (const listener of listeners.slice()) {
                listener(data);
            }
        }
    }
    removeListener(channel, listener) {
        const listeners = this.eventListeners[channel] || [];
        const index = listeners.indexOf(listener);
        if (index !== -1) {
            listeners.splice(index, 1);
        }
        this.eventListeners[channel] = listeners;
    }
}
exports.EventEmitter = EventEmitter;