Class: Frozen::Generators::RougeGenerator

Inherits:
FrozenRails::Generator show all
Defined in:
lib/generators/frozen/rouge_generator.rb

Constant Summary

Constants included from Nodeable

Nodeable::REQUIRED_EXECUTABLES

Instance Method Summary collapse

Instance Method Details

#generate_rouge_css_stylesheet ⇒ Object 



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# File 'lib/generators/frozen/rouge_generator.rb', line 13

def generate_rouge_css_stylesheet
  theme = options[:rouge_theme]

  if theme.blank? && behavior == :invoke && $stdin.tty?
    # Run in subshell so we pick up newly installed gem without needing to require it in the current process.
    themes = `bundle exec ruby -e "require 'rouge'; puts Rouge::Theme.registry.keys.sort"`.split("\n")

    say_status :info, "Available Rouge themes (#{themes.size}):", :blue
    themes.each_with_index { |t, i| say "  #{i + 1}. #{t}" }

    answer = ask("Choose a theme (name or number) [github]")

    theme = if /^\d+$/.match?(answer)
      themes[answer.to_i - 1]
    else
      answer.presence
    end
  end

  theme ||= "github"

  say_status :info, "Generating Rouge CSS for theme #{theme}", :blue
  run "rougify style #{theme} > app/assets/rouge/rouge.css"
end