class Sprockets::Exporters::ZlibExporter

Ruby’s standard library.
Generates a ‘.gz` file using the zlib algorithm built into

def call 

def call
  write(@gzip_target) do |file|
    @gzip.compress(file, target)
  end
end

def setup 

def setup
  @gzip_target = "#{ target }.gz"
  @gzip = Sprockets::Utils::Gzip.new(asset, archiver: Utils::Gzip::ZlibArchiver)
end

def skip?(logger) 

def skip?(logger)
  return true if environment.skip_gzip?
  return true if @gzip.cannot_compress?
  if ::File.exist?(@gzip_target)
    logger.debug "Skipping #{ @gzip_target }, already exists"
    true
  else
    logger.info "Writing #{ @gzip_target }"
    false
  end
end