Class: MARS::Rendering::Html

Inherits:
Object
  • Object
show all
Defined in:
lib/mars/rendering/html.rb

Constant Summary collapse

MERMAID_CDN = 
"https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js"

Instance Method Summary collapse

Constructor Details

#initialize(obj) ⇒ Html

Returns a new instance of Html.



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# File 'lib/mars/rendering/html.rb', line 8

def initialize(obj)
  @mermaid = Mermaid.new(obj)
end

Instance Method Details

#render ⇒ Object 



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# File 'lib/mars/rendering/html.rb', line 12

def render
  diagram = @mermaid.graph_mermaid.join("\n")
  direction = "LR"

  <<~HTML
    <!DOCTYPE html>
    <html lang="en">
    <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
      <title>MARS Workflow</title>
      <script src="#{MERMAID_CDN}"></script>
    </head>
    <body>
      <pre class="mermaid">
    flowchart #{direction}
    #{diagram}
      </pre>
      <script>mermaid.initialize({ startOnLoad: true });</script>
    </body>
    </html>
  HTML
end