v0.2.0 - MVP Complete 🎉

Event Modeler v0.2.0 - MVP Complete! 🎉

This is the first functional release of Event Modeler with a complete pipeline from text to diagrams.

What's New

Core Features:

• 📝 Parse .eventmodel text files
• 🎨 Generate SVG diagrams with automatic layout
• 🌓 GitHub light and dark themes (--dark flag)
• 🔗 Full connector support showing entity relationships

Supported Entity Types:

• Command
• Event
• Projection
• Policy
• External System
• Aggregate

Developer Experience:

• Clear error messages for all failure cases
• Example files in examples/ directory
• Comprehensive test coverage
• Full API documentation

Installation

Currently, install from source:

git clone https://github.com/jwilger/event_modeler
cd event_modeler
cargo build --release
# Add target/release to your PATH

Example Usage

# Create an event model
cat > order.eventmodel << 'END'
Title: Order System

Swimlane: Customer
- Command: PlaceOrder

Swimlane: Orders
- Event: OrderPlaced
- Projection: OrderList

PlaceOrder -> OrderPlaced
OrderPlaced -> OrderList
END

# Generate SVG (light theme)
event_modeler order.eventmodel

# Generate with dark theme
event_modeler order.eventmodel --dark

What's Changed

• Complete MVP implementation - full pipeline from .eventmodel files to SVG diagrams
• Text parsing of .eventmodel files with comprehensive error handling
• Dynamic layout computation with automatic canvas sizing based on content
• SVG rendering with GitHub light and dark themes
• Support for 6 entity types: Command, Event, Projection, Policy, External System, Aggregate
• Connector support for showing relationships between entities
• Dark theme support via --dark CLI flag
• Comprehensive integration tests covering various scenarios
• Example .eventmodel files demonstrating features
• Error test cases for validation

Coming Next

• Additional entity types (UI/Wireframe, Query, Automation)
• Connector labels
• PDF export
• Installation via cargo install
• Watch mode for live preview

Full Changelog: v0.1.4...v0.2.0