Use EventEmitter in ES6 class

Question

I am trying to get the EventEmitter in my own class running in ES6:

"use strict";
const EventEmitter = require('events');

class Client extends EventEmitter{

    constructor(token, client_id, client_secret, redirect_uri, code){
        super();
        this.token = token;
        this.client_id = client_id;
        this.client_secret = client_secret;
        this.redirect_uri = redirect_uri;
        this.code = code;
    }

    eventTest(){
        this.emit("event");
        console.log(this.token);
    }
}

let testClient = new Client(1,2,3,4,5);

testClient.eventTest();
testClient.on('event', () => {console.log('triggerd!')} );

but the event is doing nothing ^^

Without ES6 i got it working with this code:

var util = require('util');
var EventEmitter = require('events').EventEmitter;

var Client = function(credentials) {
    var self = this;

    function eventTest() {
        self.emit('event');
    }
};

util.inherits(Client, EventEmitter);

Does someone know how to do it right in ES6?

Answer 1

Events are synchronous - you're firing it before you are listening. Use

const testClient = new Client(1,2,3,4,5);
testClient.on('event', () => {console.log('triggered!')} );
testClient.eventTest();