diff options
Diffstat (limited to 'actionpack/lib/sprockets/compressors.rb')
-rw-r--r-- | actionpack/lib/sprockets/compressors.rb | 76 |
1 files changed, 69 insertions, 7 deletions
diff --git a/actionpack/lib/sprockets/compressors.rb b/actionpack/lib/sprockets/compressors.rb index 6544953df4..cb3e13314b 100644 --- a/actionpack/lib/sprockets/compressors.rb +++ b/actionpack/lib/sprockets/compressors.rb @@ -1,21 +1,83 @@ module Sprockets - class NullCompressor + module Compressors + @@css_compressors = {} + @@js_compressors = {} + @@default_css_compressor = nil + @@default_js_compressor = nil + + def self.register_css_compressor(name, klass, options = {}) + @@default_css_compressor = name.to_sym if options[:default] || @@default_css_compressor.nil? + @@css_compressors[name.to_sym] = {:klass => klass.to_s, :require => options[:require]} + end + + def self.register_js_compressor(name, klass, options = {}) + @@default_js_compressor = name.to_sym if options[:default] || @@default_js_compressor.nil? + @@js_compressors[name.to_sym] = {:klass => klass.to_s, :require => options[:require]} + end + + def self.registered_css_compressor(name) + if name.respond_to?(:to_sym) + compressor = @@css_compressors[name.to_sym] || @@css_compressors[@@default_css_compressor] + require compressor[:require] if compressor[:require] + compressor[:klass].constantize.new + else + name + end + end + + def self.registered_js_compressor(name) + if name.respond_to?(:to_sym) + compressor = @@js_compressors[name.to_sym] || @@js_compressors[@@default_js_compressor] + require compressor[:require] if compressor[:require] + compressor[:klass].constantize.new + else + name + end + end + + # The default compressors must be registered in default plugins (ex. Sass-Rails) + register_css_compressor(:scss, 'Sass::Rails::Compressor', :require => 'sass/rails/compressor', :default => true) + register_js_compressor(:uglifier, 'Uglifier', :require => 'uglifier', :default => true) + + # Automaticaly register some compressors + register_css_compressor(:yui, 'YUI::CssCompressor', :require => 'yui/compressor') + register_js_compressor(:closure, 'Closure::Compiler', :require => 'closure-compiler') + register_js_compressor(:yui, 'YUI::JavaScriptCompressor', :require => 'yui/compressor') + end + + # An asset compressor which does nothing. + # + # This compressor simply returns the asset as-is, without any compression + # whatsoever. It is useful in development mode, when compression isn't + # needed but using the same asset pipeline as production is desired. + class NullCompressor #:nodoc: def compress(content) content end end - class LazyCompressor + # An asset compressor which only initializes the underlying compression + # engine when needed. + # + # This postpones the initialization of the compressor until + # <code>#compress</code> is called the first time. + class LazyCompressor #:nodoc: + # Initializes a new LazyCompressor. + # + # The block should return a compressor when called, i.e. an object + # which responds to <code>#compress</code>. def initialize(&block) @block = block end - def compressor - @compressor ||= @block.call || NullCompressor.new - end - def compress(content) compressor.compress(content) end + + private + + def compressor + @compressor ||= (@block.call || NullCompressor.new) + end end -end
\ No newline at end of file +end |