nigerian-mobile-validator/dist/esm/events/event-emitter.js

The most rigorous, up-to-date library for validating Nigerian mobile numbers. Fully NCC-compliant, and security-focused, with enterprise-grade features to prevent the business risks of validation failures in regulated industries.

// src/events/event-emitter.ts
import { EventEmitter } from 'events';
import { CurrentEnvironment, RuntimeEnvironment } from '../utils/runtime-environment';
/**
 * Create an environment-agnostic event emitter
 * This ensures compatibility with both browser and server environments
 */
export function createEventEmitter() {
    // In browsers or Node.js, use the EventEmitter from the 'events' package
    if (RuntimeEnvironment.currentEnvironment == CurrentEnvironment.Browser || RuntimeEnvironment.currentEnvironment == CurrentEnvironment.Node) {
        return new EventEmitter();
    }
    // In server environments without Node.js (rare case), create a minimal implementation
    return {
        _events: new Map(),
        on(event, listener) {
            if (!this._events.has(event)) {
                this._events.set(event, []);
            }
            this._events.get(event).push(listener);
            return this;
        },
        off(event, listener) {
            if (!this._events.has(event))
                return this;
            const listeners = this._events.get(event);
            const index = listeners.indexOf(listener);
            if (index !== -1) {
                listeners.splice(index, 1);
            }
            return this;
        },
        emit(event, ...args) {
            if (!this._events.has(event))
                return false;
            const listeners = this._events.get(event);
            // Properly type the listener function and add error handling
            listeners.forEach((listener) => {
                try {
                    listener(...args);
                }
                catch (error) {
                    console.error(`Error in event listener for "${event}":`, error);
                    // Optionally, we could also emit an 'error' event here
                }
            });
            return true;
        },
        removeAllListeners(event) {
            if (event) {
                this._events.delete(event);
            }
            else {
                this._events.clear();
            }
            return this;
        }
    };
}