各辞書ファイルに未登録の可能性があるキーを列挙する

find_lost_words.rb

# coding: utf-8
require "yaml"

def to_flat(key, value)
  {}.tap do |dic|
    if value.is_a?(Hash)
      value.each do |k, v|
        dic.merge!(to_flat("#{key}.#{k}", v))
      end
    else
      dic[key] = value
    end
  end
end

dir = ARGV.first || File.dirname(__FILE__)
yml_paths = Dir.glob(File.join(dir, "**", "*.yml"))
keys_per_locale = yml_paths.each_with_object({}) do |yml_path, tmp_data|
  locale = File.basename(yml_path, ".*")
  tmp_data[locale] ||= []
  yml = YAML.load_file(yml_path)
  next unless yml[locale]

  flat_dict = yml[locale].inject({}) do |map, (k, v)|
    map.merge(to_flat(k, v))
  end
  tmp_data[locale] += flat_dict.keys
end

all_keys = keys_per_locale.values.inject(:+).uniq

result = keys_per_locale.each_with_object({}) do |(k, v), tmp_result|
  lost = all_keys - v
  tmp_result[k] = lost unless lost.empty?
end

result.each do |locale, losts|
  puts "#{locale} => {"
  losts.each do |lost|
    puts "  #{lost}"
  end
  puts "}"
end