Example rake-pipeline Assetfile

Assetfile

require "rake-pipeline-web-filters"

class ClosureFilter < Rake::Pipeline::Filter
  def generate_output(inputs, output)
    inputs.each do |input|
      output.write "(function() { #{input.read} })()"
    end
  end
end

UglifyFilter = Rake::Pipeline::Web::Filters::UglifyFilter
ConcatFilter = Rake::Pipeline::ConcatFilter

output "dist"
input "app", "**/*.js" do
  filter ClosureFilter
  filter UglifyFilter
  filter ConcatFilter, "application.js"
end