diff options
Diffstat (limited to 'bin')
-rwxr-xr-x | bin/pngquant | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/bin/pngquant b/bin/pngquant new file mode 100755 index 00000000000..8434e9d3ec9 --- /dev/null +++ b/bin/pngquant @@ -0,0 +1,64 @@ +#!/usr/bin/env ruby +# frozen_string_literal: true + +require 'rails' +require 'png_quantizator' +require 'parallel' +require 'rainbow/ext/string' +require_relative '../tooling/lib/tooling/images' + +return if Rails.env.production? + +def usage + puts <<~EOF + Usage: #{$0} [compress|lint] [PATH..] + + compress Compress all documentation PNG images using pngquant. + lint Checks that all documentation PNG images have been compressed with pngquant. + + PATH One or more files or directories. If empty, `doc/**/*.png` is used. + + EOF +end + +command = ARGV.shift +paths = ARGV.presence || ['doc'] + +files = paths.flat_map do |path| + File.directory?(path) ? Dir.glob(File.join(path, '/**/*.png')) : path +end + +case command +when 'compress' + puts "Compressing #{files.size} PNG files" + + 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 +when 'lint' + puts "Checking #{files.size} PNG files" + + 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/pngquant compress" and commit the result.' + ) + abort + end +else + usage +end |