Module: Statecraft::Diagram

Defined in:
lib/statecraft/diagram.rb

Overview

Renders the compiled graph as Mermaid stateDiagram-v2 text: the states, the initial marker and event-labeled edges in declaration order. The shape only — like transitions_from, no guards are consulted or rendered.

Instance Method Summary collapse

Instance Method Details

#to_mermaid ⇒ Object 



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# File 'lib/statecraft/diagram.rb', line 8

def to_mermaid
  graph = finalize!
  lines = ["stateDiagram-v2", "  [*] --> #{graph.initial_state}"]
  graph.edges.each_value do |edge|
    arrow = "  #{edge.from} --> #{edge.to}"
    lines << (edge.event_names.empty? ? arrow : "#{arrow} : #{edge.event_names.join(" / ")}")
  end
  "#{lines.join("\n")}\n"
end