Issues with voice state updates in JavaScript

I am currently working on setting up a discord bot to send notifications when someone joins a voice chat. While coding in Atom, I encountered the following error:

TypeError: Cannot read property 'send' of undefined
at Client.client.on (C:\Users\Franco\Desktop\bot\bot.js:15:20)
at emitTwo (events.js:126:13)
at Client.emit (events.js:214:7)
at VoiceStateUpdateHandler.handle (C:\Users\Franco\Desktop\bot\node_modules\discord.js\src\client\websocket\packets\handlers\VoiceStateUpdate.js:39:16)
at WebSocketPacketManager.handle (C:\Users\Franco\Desktop\bot\node_modules\discord.js\src\client\websocket\packets\WebSocketPacketManager.js:103:65)
at WebSocketConnection.onPacket (C:\Users\Franco\Desktop\bot\node_modules\discord.js\src\client\websocket\WebSocketConnection.js:333:35)
at WebSocketConnection.onMessage (C:\Users\Franco\Desktop\bot\node_modules\discord.js\src\client\websocket\WebSocketConnection.js:296:17)
at WebSocket.onMessage (C:\Users\Franco\Desktop\bot\node_modules\ws\lib\event-target.js:120:16)
at emitOne (events.js:116:13)
at WebSocket.emit (events.js:211:7)

This is the code snippet I attempted:

client.on("message", function(message) {
  client.on('voiceStateUpdate', (oldMember, newMember) => {
    console.log('lol');
    let newUserChannel = newMember.voiceChannel
    let oldUserChannel = oldMember.voiceChannel
    var channel = client.channels.get('353996293154144259');
    if(oldUserChannel === 353996293154144260 && newUserChannel !== 489674797261783041) {
      channel.send('has joined a voice channel');
    } else if(newUserChannel === 489674797261783041){
       channel.send('has left a voice channel');
    }
  })
})

The console.log statement was just for testing purposes.

When trying to run this code, I faced the error:

"TypeError: Cannot read property 'send' of undefined"

Upon my analysis, the issue lies with the undefined nature of the .send function.

I gathered most of my information from the following sources:

Here are the troubleshooting steps I have attempted:

  • Added 

    client.on("message", function(message) {

  • Changed .send to .message and .sendMessage

  • Tried to define .send again

  • Modified client.channels.get to lient.channelid.get

  • Changed or removed 

    var channel = client.channels.get('353996293154144259');

  • Moved 

    client.on('voiceStateUpdate', (oldMember, newMember) => {
    outside of 
    client.on("message", function(message) {
    . However, this resulted in another error.

"Second error I encountered after moving client.on out: "(node:18196) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 message listeners added. Use emitter.setMaxListeners() to increase limit"

Additional notes:

  • 353996293154144259 = id of General chat on discord server

  • 353996293154144260 = id of the first voice chat

  • 489674797261783041 = id of the second voice chat

UPDATE

Progress has been made by replacing 

channel.send('has joined a voice channel');
with 
message.channel.send('has joined a voice channel');
. However, the desired outcome is yet to be achieved.

Special thanks to YakovL for assisting in enhancing the quality of this post.

javascriptbotsdiscord

Answer №1

let specifiedChannel = client.channels.get('353996293154144259');

Unfortunately, the above method didn't work for me so I ended up using a different approach:

const channel = client.channels.cache.filter((channel) => channel.name === 'name').first();

An even more efficient way would be to search for the channel by its ID:

const channel = client.channels.cache.filter((channel) => channel.id === '353996293154144259').first();

Answer №2

Update

var channel = client.channelID.find('353996293154144259');

to

var channel = client.channels.get('353996293154144259');

Correction: Starting from v12, it should be

var channel = client.channels.cache.get('353996293154144259');

Answer №3

I come from Brazil, and I speak Brazilian Portuguese!

const Discord = require('discord.js'),
  client = new Discord.Client(),
  colors = require('colors/safe');

client.on('voiceStateUpdate', (oldMember, newMember) => {
  
  let newUserChannel = newMember.channelID;
  let oldUserChannel = oldMember.channelID;
  let userid = newMember.id;

// ----------- verification --------------

  let selfmute = newMember.mute;
  let mute = newMember.selfMute;
  let selfmute1 = oldMember.mute;
  let mute1 = oldMember.selfMute;
  let selfdeaf = newMember.selfDeaf;
  let selfdeaf1 = oldMember.selfDeaf;  
  let selfvid = newMember.selfVideo;
  let selfvid1 = oldMember.selfVideo;
  let deaf = newMember.deaf;
  let deaf1 = oldMember.deaf;
  let servmute = newMember.serverMute;
  let servmute1 = oldMember.serverMute;

  if (selfmute == true) return;
  if (mute == true) return;
  if (selfmute1 == true) return;
  if (mute1 == true) return;
  if (selfdeaf == true) return;
  if (selfdeaf1 == true) return;
  if (selfvid == true) return;
  if (selfvid1 == true) return;
  if (deaf == true) return;
  if (deaf1 == true) return;
  if (servmute == true) return;
  if (servmute1 == true) return;

// -------- defining colors ----------

var a = colors.red('[-] ');
var b = colors.green('[+] ');
var c = colors.blue('[!] ');

// -------- message / log ----------

       if (newUserChannel === "827668874542579797") { //id voice channel

          console.log(c+"- id: "+userid)
          console.log(b+"- Joined: "+newUserChannel);   

       } else if (oldUserChannel === "827668874542579797") { //id voice channel
           
           console.log(c+"- id: "+userid)
           console.log(a+"- Left: "+oldUserChannel);

       } else {

           console.log(c+"- Rats are conversing...");

       }
    
})
//----------------Command to stay on-------------

client.login("TOKEN");

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