class Sprockets::UglifierCompressor
Public: Uglifier/Uglify compressor.
To accept the default options
environment.register_bundle_processor 'application/javascript', Sprockets::UglifierCompressor
Or to pass options to the Uglifier class.
environment.register_bundle_processor 'application/javascript', Sprockets::UglifierCompressor.new(comments: :copyright)
Constants
- VERSION
Attributes
cache_key[R]
Public Class Methods
cache_key()
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# File lib/sprockets/uglifier_compressor.rb, line 33 def self.cache_key instance.cache_key end
call(input)
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# File lib/sprockets/uglifier_compressor.rb, line 29 def self.call(input) instance.call(input) end
instance()
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Public: Return singleton instance with default options.
Returns UglifierCompressor
object.
# File lib/sprockets/uglifier_compressor.rb, line 25 def self.instance @instance ||= new end
new(options = {})
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# File lib/sprockets/uglifier_compressor.rb, line 39 def initialize(options = {}) options[:comments] ||= :none @options = options @cache_key = "#{self.class.name}:#{Autoload::Uglifier::VERSION}:#{VERSION}:#{DigestUtils.digest(options)}".freeze end
Public Instance Methods
call(input)
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# File lib/sprockets/uglifier_compressor.rb, line 46 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