GFM Markdown

Built on CommonMark and GitHub Flavored Markdown — headings, tables, task lists, alerts, autolinks, and more.

Editor & Viewer

Use @toastwrite/editor for live preview editing or the read-only Viewer to render Markdown anywhere on the page.

Modern Stack

TypeScript-first, ESM + CJS exports, ProseMirror-powered editing, and an incremental parser designed for Node 22+.