Assetfile

APPNAME = 'wh'

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

WebFilters = Rake::Pipeline::Web::Filters

class LoaderFilter < WebFilters::MinispadeFilter
  def generate_output(inputs, output)
    inputs.each do |input|
      code = input.read
      module_id = @module_id_generator.call(input)
      contents = "function(require) {\n#{code}\n}"
      ret = "\nloader.register('#{module_id}', #{contents});\n"
      output.write ret
    end
  end
end

class EmberAssertFilter < Filter
  def generate_output(inputs, output)
    inputs.each do |input|
      result = input.read
      result.gsub!(/ember_assert\((.*)\);/, '')
      output.write(result)
    end
  end
end

class HandlebarsFilter < Filter
  def generate_output(inputs, output)
    inputs.each do |input|
      code = input.read.to_json
      name = File.basename(input.path, '.handlebars')
      output.write "\nreturn Ember.Handlebars.compile(#{code});\n"
    end
  end
end

output 'public'

input 'app' do
  match 'lib/**/*.js' do
    filter LoaderFilter,
      :module_id_generator => proc { |input|
        input.path.sub(/^lib\//, "#{APPNAME}/").sub(/\.js$/, '')
      }

    if ENV['RAKEP_MODE'] == 'production'
      filter EmberAssertFilter
      uglify {|input| input}
    end
    concat 'assets/app.js'
  end

  match 'vendor/**/*.js' do
    filter LoaderFilter,
      :module_id_generator => proc { |input|
        input.path.sub(/^vendor\//, '').sub(/\.js$/, '')
      }

    if ENV['RAKEP_MODE'] == 'production'
      filter EmberAssertFilter
      uglify {|input| input}
    end
    concat %w[
      vendor/jquery.js
      vendor/ember.js
      vendor/sproutcore-routing.js
    ], 'assets/app.js'
  end

  match 'modules/**/*.js' do
    if ENV['RAKEP_MODE'] == 'production'
      filter EmberAssertFilter
      uglify {|input| input}
    end
    concat 'assets/app.js'
  end

  match 'plugins/**/*.js' do
    if ENV['RAKEP_MODE'] == 'production'
      uglify {|input| input}
    end
    concat do |input|
      input.sub(/plugins\//, 'assets/')
    end
  end

  match 'templates/**/*.handlebars' do
    filter HandlebarsFilter
    filter LoaderFilter,
      :module_id_generator => proc { |input|
        input.path.sub(/^templates\//, "#{APPNAME}/~templates/").sub(/\.handlebars$/, '')
      }
    if ENV['RAKEP_MODE'] == 'production'
      uglify {|input| input}
    end
    concat 'assets/app.js'
  end

  match 'tests/**/*.js' do
    filter LoaderFilter,
      :module_id_generator => proc { |input|
        input.path.sub(/^lib\//, "#{APPNAME}/").sub(/\.js$/, '')
      }
    concat 'assets/app-tests.js'
  end

  match 'css/**/*.css' do
    if ENV['RAKEP_MODE'] == 'production'
      yui_css
    end
    concat ['bootstrap.css', 'main.css'], 'assets/app.css'
  end

  match 'css/**/*.scss' do
    sass
    if ENV['RAKEP_MODE'] == 'production'
      yui_css
    end
    concat 'assets/app.css'
  end

  match "static/**/*" do
    concat do |input|
      input.sub(/static\//, '')
    end
  end
end

# vim: filetype=ruby