HAML, SCSS, CoffeeScriptの自動コンパイル実験(watchr)

w.rb

# based on http://www.223soft.net/35

class W
  def initialize(opts)
    @dest_dir = opts[:dest_dir]
  end
  
  def exec(cmd, md)
    p = Pathname.new(@dest_dir + "/" + File.dirname(md[0]))
    p.mkdir if not p.exist?
    puts "compiled to #{md[0]}" if system(cmd)
  end
end

dest_dir = "dest"
w = W.new(:dest_dir => dest_dir)

watch("(.*)\.haml") {|md|
  w.exec("haml -f html5 #{md[0]} -E UTF-8 #{dest_dir}/#{md[1]}.html", md)
}
watch("(.*)\.scss") {|md|
  w.exec("sass --scss #{md[0]} #{dest_dir}/#{md[1]}.css", md)
}
watch("(.*)\.coffee") {|md|
  w.exec("coffee -o #{dest_dir} -c #{md[0]}", md)
}