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HyJS

Heavily inspired by KubeJS for Minecraft, HyJS brings modern web technologies to Hytale modding, making it easier than ever to create custom game logic, commands, and systems.
Screenshot 2026-01-24 183112.png

Screenshot 2026-01-24 183112.png

Description

HyJS - Scripting for Hytale

Unlock the true potential of your Hytale server with HyJS, the ultimate scripting solution inspired by the legendary KubeJS. Whether you're a server owner looking to add custom features or a mod developer wanting to leverage the power of JavaScript/TypeScript, HyJS has you covered!

✨ Features at a Glance

  • 📜 Modern Scripting: Full support for JavaScript and TypeScript.
  • High Performance: TypeScript is transpiled on-the-fly with lightning-fast Sucrase.
  • 🛠️ Developer Friendly: Built-in ProbeJS functionality! Generate .d.ts files for your favorite IDE (VS Code, IntelliJ) and enjoy full autocompletion.
  • 📦 Mod Integration: Bundle scripts directly inside your .zip or .jar mods. Perfect for adding custom logic to your Hytale content.
  • 🎮 Deep Game Access:
    • Event System: Hook into player, block, world, and entity events.
    • Command API: Create complex commands with arguments and permissions in seconds.
    • ECS Systems: Integrate directly with Hytale's Entity Component System.
    • Persistent Data: Save global data that stays even after a server restart.
  • 🔝 Priority Loading: Fine-grained control over which scripts load first.
  • Hot Reload: Use the /hyjs reload command to easily refresh all your scripts.

🚀 Getting Started

Simply drop HyJS into your mods folder and start your server. HyJS will automatically create the necessary folders for your scripts.

Script Folders:

  • Pandaismyname1_HyJS/scripts/startup: For early initialization logic.
  • Pandaismyname1_HyJS/scripts/server: For your main game logic and events.

Pro Tip: Run /hyjs generate in-game to get full TypeScript definitions for the Hytale API!

🤝 Community & Documentation

Join the revolution of Hytale scripting! HyJS makes modding accessible and powerful. Check out our Gitlab for documentation and examples.


HyJS is not an official Hytale product. It is a community-made mod for the Hytale server.

The HyJS Team

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