class Sprockets::UglifierCompressor


Sprockets::UglifierCompressor.new(comments: :copyright)
environment.register_bundle_processor ‘application/javascript’,
Or to pass options to the Uglifier class.
Sprockets::UglifierCompressor
environment.register_bundle_processor ‘application/javascript’,
To accept the default options
Public: Uglifier/Uglify compressor.

def self.cache_key 

def self.cache_key
  instance.cache_key
end

def self.call(input) 

def self.call(input)
  instance.call(input)
end

def self.instance

Returns UglifierCompressor object.

Public: Return singleton instance with default options. 
def self.instance
  @instance ||= new
end

def call(input) 

def call(input)
  case Autoload::Uglifier::VERSION.to_i
  when 1
    raise "uglifier 1.x is no longer supported, please upgrade to 2.x or newer"
  when 2
    input_options = { source_filename: input[:filename] }
  else
    input_options = { source_map: { filename: input[:filename] } }
  end
  uglifier = Autoload::Uglifier.new(@options.merge(input_options))
  js, map = uglifier.compile_with_map(input[:data])
  map = SourceMapUtils.format_source_map(JSON.parse(map), input)
  map = SourceMapUtils.combine_source_maps(input[:metadata][:map], map)
  { data: js, map: map }
end

def initialize(options = {}) 

def initialize(options = {})
  options[:comments] ||= :none
  @options = options
  @cache_key = "#{self.class.name}:#{Autoload::Uglifier::VERSION}:#{VERSION}:#{DigestUtils.digest(options)}".freeze
end