Overview

SvelTTY brings the power of Svelte apps directly into the terminal, allowing developers to create and interact with TUI (Text User Interface) applications effortlessly. Transitioning from a web-based mindset to a terminal environment has never been easier, as SvelTTY embraces familiar HTML, CSS, and JavaScript syntax to facilitate this shift. This innovative runtime not only offers compatibility with a wide array of HTML elements but also enhances the terminal experience with rich styling options.

With full 24-bit color support and unique terminal-specific properties, SvelTTY transforms the terminal into a vibrant space for application development. The attention to detail and ease of customization make it a highly appealing choice for developers looking to leverage Svelte's reactivity within a terminal interface.

Features

HTML & CSS Support: Utilizes standard HTML elements and CSS properties, allowing for seamless styling and layout as you'd expect in a web environment.
Customizable Base Styling: Offers a default user agent stylesheet for a consistent starting point, which can be overridden to suit specific design needs.
Full 24-bit Color Support: Renders CSS gradients and images in supported terminals, providing a rich visual experience with colors, backgrounds, and gradients.
Flexbox Layout: Everything operates as a flex container by default, simplifying layout management with flex display being the core foundation.
Svelte Reactivity: Supports Svelte 5 reactivity features such as $state, $effect, and $derived, enabling dynamic interactions and user inputs effectively.
Image Rendering: Allows the use of <img> elements for displaying images in compatible terminals, enhancing the capability of TUI applications.
Popover & Anchor Positioning: Features positions API that can help in managing overlays and tooltips, promoting better user interactions.
No CSS Animations: Focuses on synchronous rendering for improved performance, though JavaScript-based animations can still be implemented if needed.

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