TypeError: Cannot set property 'flowing' of undefined

[pedrost]

Trying to connect to a web socket with a proxy agent (tor)
Using ubuntu 18
Node v8.16.1

The message is sent to the endpoit at ngrok.io, but the application crashes right after.

Code:

const Agent = require("socks5-http-client/lib/Agent"); // Constructor 

let agent = new Agent({
    socksHost: 'localhost', // Defaults to 'localhost'.
    socksPort: 9050 // Defaults to 1080.
});

var socket = require('socket.io-client').connect('http://38d7b774.ngrok.io', { agent: agent });

socket.on('connect', function() {
    socket.emit('send', 'random');
});

Error:

_http_client.js:486
     socket._readableState.flowing = null;
                                   ^
TypeError: Cannot set property 'flowing' of undefined
   at Socks5ClientSocket.socketOnData (_http_client.js:486:37)
   at emitOne (events.js:116:13)
   at Socks5ClientSocket.emit (events.js:211:7)
   at Socket.<anonymous> (/home/caramori/Documents/Jera/Node/trk-core/node_modules/socks5-client/lib/Socket.js:150:8)
   at emitOne (events.js:116:13)
   at Socket.emit (events.js:211:7)
   at addChunk (_stream_readable.js:263:12)
   at readableAddChunk (_stream_readable.js:250:11)
   at Socket.Readable.push (_stream_readable.js:208:10)
   at TCP.onread (net.js:601:20)

[dayves]

same on ubuntu 16.04