Class: Sprockets::ClosureCompressor

Inherits:
Object
  • Object
show all
Defined in:
lib/sprockets/closure_compressor.rb

Overview

Public: Closure Compiler minifier.

To accept the default options

environment.register_bundle_processor 'application/javascript',
  Sprockets::ClosureCompressor

Or to pass options to the Closure::Compiler class.

environment.register_bundle_processor 'application/javascript',
  Sprockets::ClosureCompressor.new({ ... })

Constant Summary collapse

VERSION = 
'1'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ ClosureCompressor

Returns a new instance of ClosureCompressor.



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# File 'lib/sprockets/closure_compressor.rb', line 38

def initialize(options = {})
  @options = options
  @cache_key = "#{self.class.name}:#{Autoload::Closure::VERSION}:#{Autoload::Closure::COMPILER_VERSION}:#{VERSION}:#{DigestUtils.digest(options)}".freeze
end

Instance Attribute Details

#cache_key ⇒ Object (readonly)

Returns the value of attribute cache_key.



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# File 'lib/sprockets/closure_compressor.rb', line 36

def cache_key
  @cache_key
end

Class Method Details

.cache_key ⇒ Object 



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# File 'lib/sprockets/closure_compressor.rb', line 32

def self.cache_key
  instance.cache_key
end

.call(input) ⇒ Object 



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# File 'lib/sprockets/closure_compressor.rb', line 28

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

.instance ⇒ Object

Public: Return singleton instance with default options.

Returns ClosureCompressor object.



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# File 'lib/sprockets/closure_compressor.rb', line 24

def self.instance
  @instance ||= new
end

Instance Method Details

#call(input) ⇒ Object 



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# File 'lib/sprockets/closure_compressor.rb', line 43

def call(input)
  @compiler ||= Autoload::Closure::Compiler.new(@options)
  @compiler.compile(input[:data])
end