Class: ImageOptim::Worker::Svgo

Inherits:
ImageOptim::Worker show all
Defined in:
lib/image_optim/worker/svgo.rb

Overview

github.com/svg/svgo

Constant Summary collapse

PLUGIN_NAME_R = 
/\A[a-zA-Z]+\z/.freeze
DISABLE_PLUGINS_OPTION = 
option(:disable_plugins, [], 'List of plugins to disable') do |v|
  parse_plugin_names(v)
end
ENABLE_PLUGINS_OPTION = 
option(:enable_plugins, [], 'List of plugins to enable') do |v|
  parse_plugin_names(v)
end
ALLOW_LOSSY_OPTION = 
option(:allow_lossy, false, 'Allow precision option'){ |v| !!v }
PRECISION_OPTION = 
option(:precision, 3, 'Number of digits in the fractional part ' \
                      '`0`..`20`, ignored in default/lossless mode') \
                      do |v, opt_def|
  if allow_lossy
    OptionHelpers.limit_with_range(v.to_i, 0..20)
  else
    if v != opt_def.default
      warn "#{self.class.bin_sym} #{opt_def.name} #{v} ignored " \
           'in default/lossless mode'
    end
    opt_def.default
  end
end

Instance Method Summary collapse

Methods inherited from ImageOptim::Worker

#image_formats, #initialize, #inspect, #optimized?, #options, #resolve_used_bins!, #run_order, #used_bins

Methods included from ClassMethods

#bin_sym, #create_all, #create_all_by_format, extended, #inherited, #klasses, #option, #option_definitions

Constructor Details

This class inherits a constructor from ImageOptim::Worker

Instance Method Details

#optimize(src, dst, options = {}) ⇒ Object 



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# File 'lib/image_optim/worker/svgo.rb', line 41

def optimize(src, dst, options = {})
  args = %W[
    --input #{src}
    --output #{dst}
  ]
  if resolve_bin!(:svgo).version >= '2.0.0'
    unless disable_plugins.empty? && enable_plugins.empty?
      config_file = plugins_config_file
      args.unshift "--config=#{config_file.path}"
    end
  else
    disable_plugins.each do |plugin_name|
      args.unshift "--disable=#{plugin_name}"
    end
    enable_plugins.each do |plugin_name|
      args.unshift "--enable=#{plugin_name}"
    end
  end
  args.unshift "--precision=#{precision}" if allow_lossy
  execute(:svgo, args, options) && optimized?(src, dst)
end