Discord.js v14 Code Breakage: A Comprehensive Guide to Fixing Common Errors
The recent update to Discord.js v14 has introduced several breaking changes that can cause errors in existing code. Here's a thorough explanation of the most common errors and how to resolve them:
Errors with Message and Interaction Events
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Error: Message and interaction events no longer fire.
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Solution: Use the new messageCreate and interactionCreate events instead.
Errors with Intents
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Error: Intents are now enum values rather than strings or numbers.
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Solution: Use the GatewayIntentBits enum from the discord.js package to set the correct intents.
Errors with Interactions
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Error: Interaction type guards have been removed.
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Solution: Compare the interaction.type property to the InteractionType enum instead.
Errors with Channels
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Error: Channel type guards have been removed.
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Solution: Compare the channel.type property to the ChannelType enum.
Errors with Builders and Embeds
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Error: Constructors for builders and embeddings have changed names.
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Solution: Use the new EmbedBuilder, AttachmentBuilder, and component builders with the Builder suffix.
Errors with Enums
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Error: Enum parameters must now be numeric.
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Solution: Use the appropriate enum values from the discord.js package.
Additional Changes:
- Node 16.9 or higher is now required.
- Activity type in setPresence is now limited to "PLAYING."
- Consider adding GatewayIntentBits.MessageContent if message.content is expected to be used.
For a detailed overview of all breaking changes, consult the Discord.js guide: https://discordjs.guide/additional-info/changes-in-v14.html
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