@xylogeist/twig

A lightweight TypeScript renderer that converts structured block-based content(from an editor) into HTML.

Installation

npm install @xylogeist/twig
# or
yarn add @xylogeist/twig
# or
bun add @xylogeist/twig

Features

• Block-based rendering: Supports paragraphs, headings, lists, and more
• Rich text formatting: Bold, italic, underline, and strikethrough text
• Type-safe: Built with TypeScript for better development experience
• Headless styling: Zero CSS dependencies - bring your own styles

Supported Block Types

• Paragraph (paragraph): Regular text blocks with rich formatting
• Heading (heading): Headers with levels 1-6
• List (list): Ordered and unordered lists with list items
• Code (code): Code blocks (planned)
• Quote (quote): Blockquotes (planned)

Text Formatting

Each text block supports the following marks:

• bold - Bold text
• italic - Italic text
• underline - Underlined text
• strikethrough - Strikethrough text

Usage

Basic Example

import { renderTwigToHtml } from "@xylogeist/twig";
import type { Block } from "@xylogeist/twig";

const blocks: Block[] = [
  {
    type: "paragraph",
    content: [
      {
        type: "text",
        text: "This is some ",
        marks: [],
      },
      {
        type: "text",
        text: "bold",
        marks: ["bold"],
      },
      {
        type: "text",
        text: " and ",
        marks: [],
      },
      {
        type: "text",
        text: "italic",
        marks: ["italic"],
      },
      {
        type: "text",
        text: " text.",
        marks: [],
      },
    ],
  },
  {
    type: "heading",
    level: 2,
    content: [
      {
        type: "text",
        text: "This is a Heading",
        marks: [],
      },
    ],
  },
];

const html = renderTwigToHtml(blocks);
console.log(html);

Running in Browser

1. Build the project:

bun build src/index.ts --outdir dist --target browser

2. Start the development server:

bun --hot index.html

3. Open your browser and navigate to http://localhost:3000

Roadmap

• Add support for code blocks
• Add support for images
• Add support for links
• Add support for tables