Module: Middleman::Extensions::Gzip
- Defined in:
- lib/middleman-more/extensions/gzip.rb
Overview
This extension Gzips assets and pages when building. Gzipped assets and pages can be served directly by Apache or Nginx with the proper configuration, and pre-zipping means that we can use a more agressive compression level at no CPU cost per request.
Use Nginx’s gzip_static directive, or AddEncoding and mod_rewrite in Apache to serve your Gzipped files whenever the normal (non-.gz) filename is requested.
Pass the :exts options to customize which file extensions get zipped (defaults to .html, .htm, .js and .css.
Class Method Summary collapse
- .gzip_file(path) ⇒ Object
- .registered(app, options = {}) ⇒ Object (also: included)
Class Method Details
.gzip_file(path) ⇒ Object
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# File 'lib/middleman-more/extensions/gzip.rb', line 42 def self.gzip_file(path) input_file = File.open(path, 'rb').read output_filename = path + '.gz' input_file_time = File.mtime(path) # Check if the right file's already there if File.exist?(output_filename) && File.mtime(output_filename) == input_file_time return end File.open(output_filename, 'wb') do |f| gz = Zlib::GzipWriter.new(f, Zlib::BEST_COMPRESSION) gz.mtime = input_file_time.to_i gz.write input_file gz.close end # Make the file times match, both for Nginx's gzip_static extension # and so we can ID existing files. Also, so even if the GZ files are # wiped out by build --clean and recreated, we won't rsync them over # again because they'll end up with the same mtime. File.utime(File.atime(output_filename), input_file_time, output_filename) old_size = File.size(path) new_size = File.size(output_filename) [output_filename, old_size, new_size] end |
.registered(app, options = {}) ⇒ Object Also known as: included
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# File 'lib/middleman-more/extensions/gzip.rb', line 20 def registered(app, ={}) exts = [:exts] || %w(.js .css .html .htm) app.after_build do |builder| paths = ::Middleman::Util.all_files_under(self.class.inst.build_dir) paths.each do |path| next unless exts.include? path.extname output_filename, old_size, new_size = Middleman::Extensions::Gzip.gzip_file(path.to_s) if output_filename size_change_word = (old_size - new_size) > 0 ? 'smaller' : 'larger' builder.say_status :gzip, "#{output_filename} (#{number_to_human_size((old_size - new_size).abs)} #{size_change_word})" end end end end |