53 lines
1.6 KiB
Ruby
53 lines
1.6 KiB
Ruby
return if Rails.env.production?
|
|
|
|
require 'png_quantizator'
|
|
require 'parallel'
|
|
require_relative '../../tooling/lib/tooling/images'
|
|
|
|
# The amount of variance (in bytes) allowed in
|
|
# file size when testing for compression size
|
|
|
|
namespace :pngquant do
|
|
# Returns an array of all images eligible for compression
|
|
def doc_images
|
|
Dir.glob('doc/**/*.png', File::FNM_CASEFOLD)
|
|
end
|
|
|
|
desc 'GitLab | Pngquant | Compress all documentation PNG images using pngquant'
|
|
task :compress do
|
|
files = doc_images
|
|
puts "Compressing #{files.size} PNG files in doc/**"
|
|
|
|
Parallel.each(files) do |file|
|
|
was_uncompressed, savings = Tooling::Image.compress_image(file)
|
|
|
|
if was_uncompressed
|
|
puts "#{file} was reduced by #{savings} bytes"
|
|
end
|
|
end
|
|
end
|
|
|
|
desc 'GitLab | Pngquant | Checks that all documentation PNG images have been compressed with pngquant'
|
|
task :lint do
|
|
files = doc_images
|
|
puts "Checking #{files.size} PNG files in doc/**"
|
|
|
|
uncompressed_files = Parallel.map(files) do |file|
|
|
is_uncompressed, _ = Tooling::Image.compress_image(file, true)
|
|
if is_uncompressed
|
|
puts "Uncompressed file detected: ".color(:red) + file
|
|
file
|
|
end
|
|
end.compact
|
|
|
|
if uncompressed_files.empty?
|
|
puts "All documentation images are optimally compressed!".color(:green)
|
|
else
|
|
warn(
|
|
"The #{uncompressed_files.size} image(s) above have not been optimally compressed using pngquant.".color(:red),
|
|
'Please run "bin/rake pngquant:compress" and commit the result.'
|
|
)
|
|
abort
|
|
end
|
|
end
|
|
end
|