require 'htmlcompressor'
require 'rainpress'
require 'uglifier'
class UglifyProxy < Uglifier
alias_method :compress, :compile
end
JS_COMPRESSOR = UglifyProxy.new
CSS_COMPRESSOR = Rainpress
Nanoc::Filter.define(:html_press) do |content, options|
HtmlCompressor::Compressor.new(compress_javascript: true, javascript_compressor: JS_COMPRESSOR, compress_css: true, css_compressor: CSS_COMPRESSOR, remove_quotes: true, simple_boolean_attributes: true).compress content
end