Discord.js v14 Migration: How to Fix Common Errors and Breaking Changes?

Discord.js v14: Breaking Changes and Error Resolution

Discord.js v14 introduces significant changes, impacting many areas of the library. To ensure your code seamlessly transitions, understanding these updates is crucial. This article analyzes common error scenarios and provides solutions to help you navigate the transition.

Errors with Message and Interaction Events

Message and interaction events are renamed. Instead of message and interaction, use messageCreate and interactionCreate, respectively.

Errors with Intents

Intents are now accessed through GatewayIntentions. Use GatewayIntentBits.Guilds for Intents.FLAGS.GUILDS, and GatewayIntentBits.GuildMessages for Intents.FLAGS.GUILD_MESSAGES.

Errors with Interactions

Type guards for interaction types are removed. Compare interaction.type to InteractionType instead:

// v14
if (interaction.type === InteractionType.ApplicationCommand) {}

Errors with Channels

Type guards for channel types are removed. Use channel.type to compare against ChannelType:

// v14
if (channel.type === ChannelType.GuildText) {}

Errors with Builders and Embeds

MessageEmbed is now EmbedBuilder. MessageAttachment is renamed to AttachmentBuilder, requiring an AttachmentData object:

// v14
const embed = new EmbedBuilder();

// v14
const attachment = new AttachmentBuilder(buffer, { name: 'image.png' });

Errors with Components

MessageComponents are renamed without the Message prefix and have a Builder suffix:

// v14
const button = new ButtonBuilder();

Errors with Enums

Enums now require numeric values only:

// v14
const { ButtonStyle } = require('discord.js');
new ButtonBuilder()
  .setStyle(ButtonStyle.Primary);

Additional Changes:

• SetPresence activity type can only be set to "PLAYING."
• Add GatewayIntentBits.MessageContent for message.content with no value.
• For more breaking changes, refer to the Discord.js guide: https://discordjs.guide/additional-info/changes-in-v14.html

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