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method

visualizer

Importance_0
Ruby on Rails latest stable (v4.2.1) - 0 notes - Class: TransitionTable
visualizer(paths, title = 'FSM') public

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# File actionpack/lib/action_dispatch/journey/gtg/transition_table.rb, line 84
        def visualizer(paths, title = 'FSM')
          viz_dir   = File.join File.dirname(__FILE__), '..', 'visualizer'
          fsm_js    = File.read File.join(viz_dir, 'fsm.js')
          fsm_css   = File.read File.join(viz_dir, 'fsm.css')
          erb       = File.read File.join(viz_dir, 'index.html.erb')
          states    = "function tt() { return #{to_json}; }"

          fun_routes = paths.sample(3).map do |ast|
            ast.map { |n|
              case n
              when Nodes::Symbol
                case n.left
                when ':id' then rand(100).to_s
                when ':format' then %{ xml json }.sample
                else
                  'omg'
                end
              when Nodes::Terminal then n.symbol
              else
                nil
              end
            }.compact.join
          end

          stylesheets = [fsm_css]
          svg         = to_svg
          javascripts = [states, fsm_js]

          # Annoying hack for 1.9 warnings
          fun_routes  = fun_routes
          stylesheets = stylesheets
          svg         = svg
          javascripts = javascripts

          require 'erb'
          template = ERB.new erb
          template.result(binding)
        end
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