README

Expert patterns for CKEditor 5 integration in TYPO3, including custom plugin development, configuration, and migration from CKEditor 4.

Features

CKEditor 5 Architecture: Plugin system, schema and conversion system, command pattern implementation, UI component development
TYPO3 Integration: RTE configuration (YAML), custom plugin registration, content element integration, backend module integration
Migration Patterns: CKEditor 4 to 5 migration, custom plugin conversion, configuration transformation, data migration strategies
Plugin Development: Complete patterns for creating custom CKEditor 5 plugins with schema definitions, converters, and commands
Configuration Management: YAML-based RTE presets with toolbar, heading, table, and link configurations
ES6 Module Development: Modern JavaScript patterns for CKEditor 5 plugin architecture

Installation

Option 1: Via Netresearch Marketplace (Recommended)

/plugin marketplace add netresearch/claude-code-marketplace

Option 2: Download Release

Download the latest release and extract to ~/.claude/skills/typo3-ckeditor5-skill/

Option 3: Composer (PHP projects)

composer require netresearch/agent-typo3-ckeditor5-skill

Requires: netresearch/composer-agent-skill-plugin

Usage

This skill is automatically triggered when:

Developing custom CKEditor 5 plugins for TYPO3
Configuring RTE presets in TYPO3 v12+
Integrating CKEditor with TYPO3 backend modules
Migrating from CKEditor 4 to CKEditor 5
Working with CKEditor 5 schema, conversion, or command patterns

Example queries:

"Create a custom CKEditor 5 plugin for TYPO3"
"Configure RTE preset with custom toolbar"
"Migrate CKEditor 4 plugin to CKEditor 5"
"Implement custom element with schema and converters"

Structure

typo3-ckeditor5-skill/
├── SKILL.md                              # Skill metadata and core patterns
├── references/
│   ├── ckeditor5-architecture.md         # CKEditor 5 core concepts
│   ├── typo3-integration.md              # TYPO3-specific integration patterns
│   ├── plugin-development.md             # Custom plugin creation guide
│   └── migration-guide.md                # CKEditor 4 to 5 migration
└── scripts/
    └── verify-ckeditor5.sh               # Verification script

Expertise Areas

CKEditor 5 Architecture

Plugin system and architecture
Schema and conversion system
Command pattern implementation
UI component development

TYPO3 Integration

RTE configuration (YAML)
Custom plugin registration
Content element integration
Backend module integration

Migration Patterns

CKEditor 4 to 5 migration
Custom plugin conversion
Configuration transformation
Data migration strategies

Related Skills

typo3-extension-upgrade-skill: References this skill for RTE migration
php-modernization-skill: Modern PHP patterns for backend integration

License

MIT License - See LICENSE for details.

Credits

Developed and maintained by Netresearch DTT GmbH.

Made with ❤️ for Open Source by Netresearch

netresearch / agent-typo3-ckeditor5

Maintainers

Details