const events = require('events');

const event = new events.EventEmitter();

const APP_INITIALIZED_EVENT = '!app.initialized';

function addListener(eventName, listener) {
  event.on(eventName, listener);
}

function emitEvent(eventName, ...args) {
  event.emit(eventName, ...args);
}

exports.addListener = addListener;
exports.emitEvent = emitEvent;
exports.APP_INITIALIZED_EVENT = APP_INITIALIZED_EVENT;