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An extensible rich text editor framework built on Lexical. Ship faster with production-ready defaults and TypeScript-first APIs.

Documentation

IntroductionInstallation@lyfie/luthor-headless@lyfie/luthor

Resources

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  1. Home
  2. Docs
  3. Luthor Headless
  4. Metadata Comment System

Luthor Documentation

Start Here

  • Getting Started
  • Installation
  • Dependencies
  • Capabilities
  • Quickstart: @lyfie/luthor
  • Quickstart: @lyfie/luthor-headless
  • AI Agents and Vibe Coding

@lyfie/luthor (Presets)

  • @lyfie/luthor Overview
  • @lyfie/luthor Architecture
  • Feature Flags
  • Props Reference
  • Presets Catalog
  • Extensive Editor
  • Compose Editor
  • Simple Editor
  • Legacy Rich Editor
  • Markdown Editor
  • HTML Editor
  • Slash Editor
  • Headless Editor Preset
  • Commands Reference

@lyfie/luthor-headless (Runtime)

  • @lyfie/luthor-headless Overview
  • @lyfie/luthor-headless Architecture
  • Extensions and API
  • Metadata Comment System
  • Features
  • Typography and Text
  • Structure and Lists
  • Media and Embeds
  • Code and Devtools
  • Interaction and Productivity
  • Customization and Theming
  • Extensions Reference
  • Nodes and Bridges Reference

Integrations

  • React Integration
  • Next.js Integration
  • Astro Integration
  • Remix Integration
  • Vite Integration

Reference Indexes

  • Search Guide
  • Exports Map
  • Preset Selector

Contributing

  • Contributor Guide

Package: headlessType: referenceSurface: bridge

Metadata Comment System

This is the source-of-truth page for bridge metadata envelopes.

What this page answers

  • How are unsupported fields preserved across markdown/html bridges?
  • What does metadataMode change?

Behavior summary

  • metadataMode: "preserve" keeps luthor:meta v1 envelopes.
  • metadataMode: "none" skips envelope append/extract.
  • Import rehydration is tolerant to malformed or unknown envelopes.
Previous: Extensions and API
Next: Features

On this page

  • What this page answers
  • Behavior summary