Rake task for combining & compressing javascript files using Sprockets & uglifier

Rakefile

assets = %w{application}

task :compile do
	require 'sprockets'
	environment = Sprockets::Environment.new(File.dirname(__FILE__))
	environment.append_path 'src/'

	assets.each do |asset|

		full_js = environment.find_asset(asset).to_s
		require 'uglifier'
		compressed_js = Uglifier.compile(full_js)
		File.open('js/'+asset+'.js', 'w') do |f|
			f.write(compressed_js)
		end

	end

end

task :default => :compile