Ito Playground

What is Ito Playground?

Ito Playground is a browser-based environment for creating terminal user interfaces with Lua. It compiles Lua scripts into WebAssembly and renders the output directly on a canvas element. The tool provides a complete set of terminal controls, layout managers, and state handling without requiring a local development setup.

Users write Lua functions that define views using vertical and horizontal stacks. The interface updates instantly as code changes, preserving the last working preview when errors occur. Built-in components include text fields, buttons, checkboxes, sliders, progress bars, and navigable lists. Keyboard navigation, focus management, and event handling are included out of the box.

The project is open source and includes a structured Markdown reference document. This guide explains the API and can be pasted into AI coding assistants to help generate terminal application code. A local host version is also available for running the same view functions in standard terminal environments.

Ito Playground features

• Live preview updates as you edit Lua code
• Runs Lua scripts in WebAssembly inside the browser
• Built-in state management and layout containers
• Terminal controls like text fields, buttons, and lists
• Keyboard navigation and focus handling
• Includes a Markdown guide for AI assistants

Who uses Ito Playground and for what

• Prototype terminal applications before deploying them locally
• Test keyboard shortcuts and input handling in a safe environment
• Experiment with different UI layouts using stack containers
• Generate Lua code for terminal apps using AI assistants
• Share interactive examples with team members via links

Ito Playground FAQ

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