65 lines
1.6 KiB
Ruby
Executable File
65 lines
1.6 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# frozen_string_literal: true
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require 'rails'
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require 'png_quantizator'
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require 'parallel'
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require 'rainbow/ext/string'
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require_relative '../tooling/lib/tooling/image'
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return if Rails.env.production?
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def usage
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puts <<~EOF
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Usage: #{$0} [compress|lint] [PATH..]
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compress Compress all documentation PNG images using pngquant.
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lint Checks that all documentation PNG images have been compressed with pngquant.
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PATH One or more files or directories. If empty, `doc/**/*.png` is used.
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EOF
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end
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command = ARGV.shift
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paths = ARGV.presence || ['doc']
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files = paths.flat_map do |path|
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File.directory?(path) ? Dir.glob(File.join(path, '/**/*.png')) : path
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end
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case command
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when 'compress'
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puts "Compressing #{files.size} PNG files"
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Parallel.each(files) do |file|
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was_uncompressed, savings = Tooling::Image.compress_image(file)
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if was_uncompressed
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puts "#{file} was reduced by #{savings} bytes"
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end
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end
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when 'lint'
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puts "Checking #{files.size} PNG files"
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uncompressed_files = Parallel.map(files) do |file|
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is_uncompressed, _ = Tooling::Image.compress_image(file, true)
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if is_uncompressed
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puts "Uncompressed file detected: ".color(:red) + file
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file
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end
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end.compact
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if uncompressed_files.empty?
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puts "All documentation images are optimally compressed!".color(:green)
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else
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warn(
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"The #{uncompressed_files.size} image(s) above have not been optimally compressed using pngquant.".color(:red),
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'Please run "bin/pngquant compress" and commit the result.'
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)
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abort
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end
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else
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usage
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end
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