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PERF: Uglify and gzip assets concurrently.

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Guo Xiang Tan 2016-04-20 09:34:30 +08:00
parent 51b0b5f2f8
commit b744306654
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1 changed files with 34 additions and 20 deletions
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54
lib/tasks/assets.rake
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@ -116,6 +116,16 @@ def compress(from,to)
end end
end end
def concurrent?
if ENV["CONCURRENT"] == "1"
concurrent_compressors = []
yield(Proc.new { |&block| concurrent_compressors << Concurrent::Future.execute { block.call } })
concurrent_compressors.each(&:wait!)
else
yield(Proc.new { |&block| block.call })
end
end
task 'assets:precompile' => 'assets:precompile:before' do task 'assets:precompile' => 'assets:precompile:before' do
# Run after assets:precompile # Run after assets:precompile
Rake::Task["assets:precompile:css"].invoke Rake::Task["assets:precompile:css"].invoke
@ -124,30 +134,34 @@ task 'assets:precompile' => 'assets:precompile:before' do
puts "Compressing Javascript and Generating Source Maps" puts "Compressing Javascript and Generating Source Maps"
manifest = Sprockets::Manifest.new(assets_path) manifest = Sprockets::Manifest.new(assets_path)
to_skip = Rails.configuration.assets.skip_minification || [] concurrent? do |proc|
manifest.files to_skip = Rails.configuration.assets.skip_minification || []
.select{|k,v| k =~ /\.js$/} manifest.files
.each do |file, info| .select{|k,v| k =~ /\.js$/}
.each do |file, info|
path = "#{assets_path}/#{file}" path = "#{assets_path}/#{file}"
_file = (d = File.dirname(file)) == "." ? "_#{file}" : "#{d}/_#{File.basename(file)}" _file = (d = File.dirname(file)) == "." ? "_#{file}" : "#{d}/_#{File.basename(file)}"
_path = "#{assets_path}/#{_file}" _path = "#{assets_path}/#{_file}"
if File.exists?(_path) if File.exists?(_path)
STDERR.puts "Skipping: #{file} already compressed" STDERR.puts "Skipping: #{file} already compressed"
else else
STDERR.puts "Compressing: #{file}" STDERR.puts "Compressing: #{file}"
# We can specify some files to never minify proc.call do
unless (ENV["DONT_MINIFY"] == "1") || to_skip.include?(info['logical_path']) # We can specify some files to never minify
FileUtils.mv(path, _path) unless (ENV["DONT_MINIFY"] == "1") || to_skip.include?(info['logical_path'])
compress(_file,file) FileUtils.mv(path, _path)
compress(_file,file)
end
info["size"] = File.size(path)
info["mtime"] = File.mtime(path).iso8601
gzip(path)
end
end end
end
info["size"] = File.size(path)
info["mtime"] = File.mtime(path).iso8601
gzip(path)
end
end end
# protected # protected