Normal Gemfile

AssetFile

require 'json'
require 'rake-pipeline-web-filters'

APPNAME = 'Digiex'
Encoding.default_external = Encoding::UTF_8
Encoding.default_internal = Encoding::UTF_8
WebFilters = Rake::Pipeline::Web::Filters

class HandlebarsFilter < Rake::Pipeline::Filter
  def initialize(&block)
    block ||= proc { |input| input.sub(/\.html$/, '.js') }
    super(&block)
  end

  def generate_output(inputs, output)
    inputs.each do |input|
      output.write "return Ember.Handlebars.compile(#{input.read.to_json})"
    end
  end
end

output "public"
input "" do

match "Edge/**/*.html" do
  
  filter HandlebarsFilter
  filter Rake::Pipeline::Web::Filters::MinispadeFilter,
    :module_id_generator => proc { |input| File.basename(input.fullpath, ".js") + "_template" }
  filter Rake::Pipeline::ConcatFilter, "EdgeTemplates.js"
  #uglify {|input| input}
end
 match 'Edge/**/*.js' do
   # uglify {|input| input}
    minispade :rewrite_requires => true,
	:string=> true,
	    :module_id_generator => proc { |input|
        input.path.sub(/^lib\//, "#{APPNAME}/").sub(/\.js$/, '')
     }
	 concat 'Edge.js'
  end

  match 'Edge/**/*.html' do
  
    minispade :rewrite_requires => true,
	:string=> true,
	    :module_id_generator => proc { |input|
        input.path.sub(/^lib\//, "#{APPNAME}/").sub(/\.js$/, '')
     }
     concat 'Edge.js'
  end

   match 'Common/**/*.js' do
  # uglify {|input| input}
    minispade :rewrite_requires => true,
	:string=> true,
	    :module_id_generator => proc { |input|
        input.path.sub(/^lib\//, "#{APPNAME}/").sub(/\.js$/, '')
     }
     concat 'Edge.js'
   
end

end

Gemfile

source "http://rubygems.org/"

gem 'colored'

gem 'guard'
gem 'guard-rake'
gem 'wdm', :require => false
#gem 'rack'
#gem 'rack-rewrite'

#gem 'sass'
#gem 'compass'

gem 'uglifier'
gem 'yui-compressor'

gem 'rake-pipeline', :git => 'https://github.com/livingsocial/rake-pipeline.git'
gem 'rake-pipeline-web-filters', :git => 'https://github.com/wycats/rake-pipeline-web-filters.git'

Guardfile

guard 'rake', :task => 'buildInternal' do
 watch(%r{^Internal/.+\$})
end

guard 'rake', :task => 'buildEdge' do
 watch(%r{^Edge/.+\.js$})
end

Rakefile

APPNAME = 'MyApp'

require 'colored'
require 'rake-pipeline'

desc "Build #{APPNAME} Edge"
task :buildEdge do
  Rake::Pipeline::Project.new('EdgeAssetfile').invoke
end

desc "Build #{APPNAME} Edge Templates"
task :buildEdgeTemplates do
  Rake::Pipeline::Project.new('EdgeTemplatesAssetfile').invoke
end

desc "Build #{APPNAME} Internal"
task :buildInternal do
  Rake::Pipeline::Project.new('InternalAssetfile').invoke
end

desc "Build #{APPNAME} Internal Templates"
task :buildInternalTemplates do
  Rake::Pipeline::Project.new('InternalTemplatesAssetfile').invoke
end