I've just updated my discord.js from v13 to v14 and there are many errors.

Errors with message and interaction events:

Neither message nor interaction events fire.

Errors with intents:

const client = new Client({
  intents: [
    Intents.FLAGS.GUILDS,
    Intents.FLAGS.GUILD_MESSAGES,
    Intents.FLAGS.GUILD_MESSAGE_REACTIONS,
  ],
});
//     Intents.FLAGS.GUILDS,
//            ^
//
// TypeError: Cannot read properties of undefined (reading 'FLAGS')

const client = new Client({
  intents: ['GUILDS', 'GUILD_MEMBERS', 'GUILD_MESSAGES'],
});
//    throw new RangeError(ErrorCodes.BitFieldInvalid, bit);
//
// RangeError [BitFieldInvalid]: Invalid bitfield flag or number: GUILDS.

Errors with interactions:

if (interaction.isCommand()) {}
// TypeError: interaction.isCommand is not a function

if (interaction.isAutocomplete()) {}
// TypeError: interaction.isAutocomplete is not a function

if (interaction.isMessageComponent()) {}
// TypeError: interaction.isMessageComponent is not a function

if (interaction.isModalSubmit()) {}
// TypeError: interaction.isModalSubmit is not a function

Errors with channels:

if (message.channel.isText()) {}
// TypeError: channel.isText is not a function

if (message.channel.isVoice()) {}
// TypeError: channel.isVoice is not a function

if (message.channel.isDM()) {}
// TypeError: channel.isDM is not a function

if (message.channel.isCategory()) {}
// TypeError: channel.isCategory is not a function

Errors with builders and embeds:

const embed = new MessageEmbed();
//  const embed = new MessageEmbed();
//                ^
//
// TypeError: MessageEmbed is not a constructor

const button = new MessageButton();
//  const button = new MessageButton();
//                 ^
//
// TypeError: MessageButton is not a constructor

const actionRow = new MessageActionRow();
//  const actionRow = new MessageActionRow();
//                    ^
//
// TypeError: MessageActionRow is not a constructor

const selectMenu = new MessageSelectMenu();
//  const selectMenu = new MessageSelectMenu();
//                     ^
//
// TypeError: MessageSelectMenu is not a constructor

const textInput = new TextInputComponent();
//  const textInput = new TextInputComponent();
//                    ^
//
// TypeError: TextInputComponent is not a constructor

const modal = new Modal();
//  const modal = new Modal();
//                ^
//
// TypeError: Modal is not a constructor

const attachment = new MessageAttachment();
//  const attachment = new MessageAttachment();
//                     ^
//
// TypeError: MessageAttachment is not a constructor

Errors with enums:

new ButtonBuilder()
  .setCustomId('verification')
  .setStyle('PRIMARY')

// UnknownEnumValueError: Expected the value to be one of the following enum values:
//     at NativeEnumValidator.handle

new TextInputBuilder()
  .setCustomId('verification')
  .setStyle('SHORT')

// UnknownEnumValueError: Expected the value to be one of the following enum values:
//     at NativeEnumValidator.handle

I've just updated my discord.js from v13 to v14 and there are many errors.

Errors with message and interaction events:

Neither message nor interaction events fire.

Errors with intents:

const client = new Client({
  intents: [
    Intents.FLAGS.GUILDS,
    Intents.FLAGS.GUILD_MESSAGES,
    Intents.FLAGS.GUILD_MESSAGE_REACTIONS,
  ],
});
//     Intents.FLAGS.GUILDS,
//            ^
//
// TypeError: Cannot read properties of undefined (reading 'FLAGS')

const client = new Client({
  intents: ['GUILDS', 'GUILD_MEMBERS', 'GUILD_MESSAGES'],
});
//    throw new RangeError(ErrorCodes.BitFieldInvalid, bit);
//
// RangeError [BitFieldInvalid]: Invalid bitfield flag or number: GUILDS.

Errors with interactions:

if (interaction.isCommand()) {}
// TypeError: interaction.isCommand is not a function

if (interaction.isAutocomplete()) {}
// TypeError: interaction.isAutocomplete is not a function

if (interaction.isMessageComponent()) {}
// TypeError: interaction.isMessageComponent is not a function

if (interaction.isModalSubmit()) {}
// TypeError: interaction.isModalSubmit is not a function

Errors with channels:

if (message.channel.isText()) {}
// TypeError: channel.isText is not a function

if (message.channel.isVoice()) {}
// TypeError: channel.isVoice is not a function

if (message.channel.isDM()) {}
// TypeError: channel.isDM is not a function

if (message.channel.isCategory()) {}
// TypeError: channel.isCategory is not a function

Errors with builders and embeds:

const embed = new MessageEmbed();
//  const embed = new MessageEmbed();
//                ^
//
// TypeError: MessageEmbed is not a constructor

const button = new MessageButton();
//  const button = new MessageButton();
//                 ^
//
// TypeError: MessageButton is not a constructor

const actionRow = new MessageActionRow();
//  const actionRow = new MessageActionRow();
//                    ^
//
// TypeError: MessageActionRow is not a constructor

const selectMenu = new MessageSelectMenu();
//  const selectMenu = new MessageSelectMenu();
//                     ^
//
// TypeError: MessageSelectMenu is not a constructor

const textInput = new TextInputComponent();
//  const textInput = new TextInputComponent();
//                    ^
//
// TypeError: TextInputComponent is not a constructor

const modal = new Modal();
//  const modal = new Modal();
//                ^
//
// TypeError: Modal is not a constructor

const attachment = new MessageAttachment();
//  const attachment = new MessageAttachment();
//                     ^
//
// TypeError: MessageAttachment is not a constructor

Errors with enums:

new ButtonBuilder()
  .setCustomId('verification')
  .setStyle('PRIMARY')

// UnknownEnumValueError: Expected the value to be one of the following enum values:
//     at NativeEnumValidator.handle

new TextInputBuilder()
  .setCustomId('verification')
  .setStyle('SHORT')

// UnknownEnumValueError: Expected the value to be one of the following enum values:
//     at NativeEnumValidator.handle

• javascript
• node.js
• discord
• discord.js

1 Answer 1

Discord.js v14 includes many breaking changes. It now requires Node 16.9 or higher to use, so make sure you upgrade to the latest LTS version.

This version of v14 uses the Discord API v10.

Errors with message and interaction events:

The message and interaction events are now removed. You can use the messageCreate and interactionCreate events instead.

// v13
client.on('message', (message) => {
  console.log(`