OneJS | GUI Tools | Javascript for Unity Assets

Visit onejs.com for Documentation and Tutorials

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(Familiarity with React and Typescript is recommended)

OneJS brings the power of React-style workflows to Unity UI development. It provides a thin DOM layer for Preact, seamlessly integrating with UI Toolkit for high performance. Leverage Typescript, JSX, Tailwind, and many other web techs that you already know and love - all working natively in Unity.

With V2, OneJS is now supercharged by Puerts for up to 100x performance boost. The new ESBuild workflow simplifies deployment and supports npm packages.

Beyond UI, OneJS enables easy implementation of modding systems. Give your players the power of TypeScript, JSX, and USS to create addons and mods for your game.

Key Features

Requirements

- Unity.Mathematics

- Unity.Burst

- Unity Version 2021.3+ (for stable UI Toolkit)

- Unity Version 2022.1+ (if you need to use UI Toolkit's Vector API)

Platforms

Supported on Windows, Mac, iOS, and Android

Feature Highlights

- Typescript & JSX for UI Development in Unity

- Fast Iteration speed with Live Reload

- Awesome Performance due to 1-to-1 interop between Preact and UI Toolkit

- Tailwind workflow and Compiler support

- Styled Components and Emotion APIs are built-in

- Runtime CSS Load CSS strings dynamically at runtime!

- Zero-Allocation Interop via Puerts optimizations

- Easily swap between 3 backends: QuickJS (small footprint), V8 (high performance), or NodeJS (full ecosystem)

- ESBuild Workflow for simplified bundling and npm package support

- Auto TS Definitions Generation

You will have full access to the C# source code. Private Github repo access can also be requested via the /collab command on our Discord Server.