logger with node eventEmitter

index.js

const Logger = require('./logger');

const logger = new Logger();

logger.on('message', data => console.log('Called Listener', data));

logger.log('Hello World');
logger.log('Hi');
logger.log('Hello');

// TODO:
// write log to a file with node fs

logger.js

const EventEmitter = require('events');
const uuid = require('uuid');

class Logger extends EventEmitter {
  log(msg) {
    // call event
    this.emit('message', { id: uuid.v4(), msg })
  }
}

module.exports = Logger;