@vegaci_shared/vsplit-payment-gateway/dist/utils/event-emitter.js

A B2B payment gateway integration package for Stripe with split payment capabilities

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventEmitter = void 0;
/**
 * Generic event emitter for payment gateway events
 */
class EventEmitter {
    constructor() {
        this.listeners = new Map();
    }
    /**
     * Subscribe to an event
     */
    on(event, callback) {
        if (!this.listeners.has(event)) {
            this.listeners.set(event, []);
        }
        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
        this.listeners.get(event).push(callback);
    }
    /**
     * Unsubscribe from an event
     */
    off(event, callback) {
        const eventListeners = this.listeners.get(event);
        if (eventListeners) {
            const index = eventListeners.indexOf(callback);
            if (index > -1) {
                eventListeners.splice(index, 1);
            }
        }
    }
    /**
     * Emit an event
     */
    emit(event, ...args) {
        const eventListeners = this.listeners.get(event);
        if (eventListeners) {
            eventListeners.forEach((callback) => {
                try {
                    callback(...args);
                }
                catch (error) {
                    console.error(`Error in event listener for ${String(event)}:`, error);
                }
            });
        }
    }
    /**
     * Subscribe to an event once
     */
    once(event, callback) {
        const onceCallback = ((...args) => {
            callback(...args);
            this.off(event, onceCallback);
        });
        this.on(event, onceCallback);
    }
    /**
     * Remove all listeners for a specific event
     */
    removeAllListeners(event) {
        if (event) {
            this.listeners.delete(event);
        }
        else {
            this.listeners.clear();
        }
    }
    /**
     * Get listener count for an event
     */
    listenerCount(event) {
        const eventListeners = this.listeners.get(event);
        return eventListeners ? eventListeners.length : 0;
    }
    /**
     * Get all event names
     */
    eventNames() {
        return Array.from(this.listeners.keys());
    }
}
exports.EventEmitter = EventEmitter;