Extensions API

Extensions are the building blocks of SuperDoc. Every feature—from bold text to track changes—comes from an extension.

Understanding extensions

Extensions provide:

• Commands - Actions like toggleBold() or insertTable()
• Schema - Define what can exist in documents
• Behavior - Keyboard shortcuts, input rules, events

Using extensions

You don’t typically configure extensions directly. SuperDoc handles it:

Usage

// These commands come from extensions
editor.commands.toggleBold();        // Bold extension
editor.commands.insertTable();       // Table extension
editor.commands.acceptAllTrackedChanges();  // TrackChanges extension

Extension categories

Core editing

Basic document capabilities:

• Bold, Italic, Underline, Strike- Text formatting
• Strike, Heading - Document structure
• Lists, Tables - Bullet points and tables

Advanced features

Complex functionality:

• Track Changes - Revision tracking
• Comments - Discussions
• Field Annotation - Form fields
• Document Section - Locked sections
• Table - Complex tables
• Search - Find and replace

Custom extensions

Build your own →

How extensions work

1. Registration - Extensions load with the editor
2. Schema definition - Define nodes/marks
3. Command registration - Add to editor.commands
4. Event handling - React to changes