Discord.js-v15-Documentation

🚀 discord.js v15 — Developer Preview

The next evolution of the most powerful Node.js library for building Discord bots

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📌 Summary

discord.js v15 represents a significant upgrade aimed at modernizing the developer experience and aligning with the latest Discord API advancements. This version introduces improved native support, better caching strategies, enhanced developer tooling, and future-ready design patterns.

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📦 Installation

npm install discord.js@dev

⚠️ Requires Node.js v20.0.0 or later

Use nvm or nvm-windows for seamless version management.

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✨ Highlights & Features

✅ Native Web API Support

• First-class integration with fetch, AbortController, ReadableStream
• Internal replacement of old polyfills
• Powered by undici

💬 Modern Interaction Capabilities

• Native APIs for modals, context menus, and UI components
• Enhanced collectors & interaction responses
• Future command routing system in the works

⚙️ Efficient Caching System

• Fully customizable cache layers
• Toggle caching per resource (guilds, users, members, roles...)
• Expected REST-only mode for minimal memory use

🧠 Improved Developer Experience

• Fully retyped for advanced TypeScript support
• Smarter IntelliSense with Client and Interaction
• Annotated JSDoc and better inline documentation

🌐 Gateway & Protocol Upgrades

• Complete support for Discord Gateway v11
• Graceful reconnections & lifecycle tracking

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📊 Version Comparison (v14 vs v15)

Feature	v14.x	v15 (dev)
Node.js Support	16.x+	20.x+
Native fetch	❌	✅
Modals Support	⚠️ Partial	✅ Full Native
Typings & IntelliSense	Moderate	🔥 Excellent
REST-only Mode	❌	✅ (Expected)
Built-in Router	❌	🧪 Planned

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🛠️ Recommended Tooling

• Node.js: v20.x or higher
• TypeScript: v5.x
• Linters: ESLint, Prettier
• Project Structure: Modular (commands, events, handlers)

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🔮 Roadmap & Speculation

Area	Future Status	Description
ESM-only Support	Likely	CJS to be deprecated in favor of modern module systems
Built-in Command Router	In development	Simplified interaction-based routing system
CLI Tools	In discussion	Scaffolding and command generation support
Tree-shaking Support	Possible	Smaller production builds with dead-code elimination

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📚 Learning & References

• GitHub Repository
• NPM Page
• Official Documentation (dev)
• Changelog
• Discord API Docs

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🤝 Community & Contributions

• 🐞 Submit Issues
• 🧠 Join the Discord API Server
• 🐦 Follow @discordjs for updates

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Built with ❤️ by the open-source community — shaping the future of Discord bot development.