Discord.js Cannot read property 'push' of undefined

Question

const Discord = require('discord.js');
const serverQueue = require('./play.js');
const ytdl = require('ytdl-core');

module.exports.run = async (bot, message, args) => {
 const voiceChannel = message.member.voice.channel;
 if (!voiceChannel)
  return message.channel.send(
   '**You need to be in a Voice Channel to play music :no_entry:!**'
  );
 const permissions = voiceChannel.permissionsFor(message.client.user);
 if (!permissions.has('CONNECT'))
  return message.channel.send(
   '**I have Insufficient permissions :no_entry:!**'
  );
 if (!permissions.has('SPEAK'))
  return message.channel.send(
   '**I have Insufficient permissions :no_entry:!**'
  );

 const songInfo = await ytdl.getInfo(args[0]);
 const song = {
  title: songInfo.title,
  url: songInfo.video_url,
 };

 if (!serverQueue) {
  const queueConstruct = {
   textChannel: message.channel,
   voiceChannel: voice.channel,
   connection: null,
   songs: [],
   volume: 5,
   playing: true,
  };
  queue.set(message.guild.id, queueConstruct);

  queueConstruct.songs.push(song);

  try {
   var connection = await voiceChannel.join();
   queueConstruct.connection = connection;
   play(message.guild, queueConstruct.songs[0]);
  } catch (error) {
   console.log(`There was an error connecting to the Voice Channel: ${error}`);
   queue.delete(message.guild.id);
   return message.channel.send(
    `There was an error connecting to the Voice Channel: ${error}`
   );
  }
 } else {
  serverQueue.songs.push(song);
  return message.channel.send(
   `**${song.title} has been added to the queue :white_check_mark:!**`
  );
 }
 return undefined;

 function play(guild, song) {
  const serverQueue = queue.get(guild.id);

  if (!song) {
   serverQueue.voiceChannel.leave();
   queue.delete(guild.id);
   return;
  }

  const dispatcher = serverQueue.connection
   .play(ytdl(song.url))
   .on('finish', () => {
    serverQueue.songs.shift();
    play(guild, serverQueue.songs[0]);
   })
   .on('error', (error) => {
    console.log(error);
   });
  dispatcher.setVolumeLogarithmic(serverQueue.volume / 5);
 }
};

TypeError: Cannot read property 'push' of undefined

Please ignore this: The quick brown fox jumps over the lazy dog, The quick brown fox jumps over the lazy dog, The quick brown fox jumps over the lazy dog, The quick brown fox jumps over the lazy dog, The quick brown fox jumps over the lazy dog.

Unknown Unknown · Accepted Answer · 2020-09-05T03:51:57

The error you have means that the array you are pushing to is undefined or doesn't exists. Try checking if the data from the queueConstruct shows up on the console using console.log(queue construct) right before the push statement.

If it shows undefined then, try changing your const to var.

Discord.js Cannot read property 'push' of undefined

1 Answers