sprocketizr.rb

#!/usr/bin/env ruby

require 'thor'
require 'sprockets'
require 'fileutils'

def require_engine(name)
  begin
    require name
    puts " o #{name} enabled"
  rescue LoadError
    puts " x #{name} disabled"
  end
end

require_engine 'sprockets-commonjs'
require_engine 'coffee-script'
require_engine 'eco'
require_engine 'ejs'
require_engine 'less'
require_engine 'sass'
require_engine 'stylus'
require_engine 'stylus/sprockets'

class Sprocketizr < Thor
  
  desc "build", "generates dist .js files"
  def build
    puts "Generating files..."
    here= "#{ File.expand_path './' }/"
    # puts "#{here}"
    env= _build_env
    env.each_file do |path|
      rpath= path.to_s.gsub(here, '')
      # puts " - #{ rpath }"
      opath= rpath.split('/')
      folder= opath.shift
      if opath.length == 1 and %w(src source).include? folder
        npath= opath.join('/')
        npath= npath.split('.')
        while npath.length > 2
          npath.pop
        end
        npath= npath.join('.')
        puts " - #{ rpath } -> build/#{npath}"
        src= env[path]
        unless src.nil?
          # puts src.inspect  
          FileUtils.mkdir_p File.expand_path "#{here}/build"
          File.open File.expand_path("#{here}/build/#{npath}"), 'w' do |f|
            f.write src.to_s
          end
        else
          puts "Couldn't load src for #{rpath}"
        end
      end
    end
    # puts env.entries
    # puts env['app'].to_s
    puts "Done."
  end

  desc "serve", "start build server"
  def serve
    puts "Starting server..."
    env= _build_env
  end

  no_tasks do
    def _build_env
      environment = Sprockets::Environment.new
      environment.append_path 'src'
      environment.append_path 'source'
      environment.append_path 'etc'
      environment.append_path 'components'
      environment.append_path 'vendor'
      environment.append_path 'lib'
      if defined? Stylus
        Stylus.setup(environment) 
        Stylus.use :nib
      end
      environment
    end
  end
end

Sprocketizr.start