yml compare

yml_checker.yml

require 'yaml'

ymls = Dir['config/locales/**/*.yml'].sort.each_slice(2).to_a

def get_keys(object)
  if object.is_a? Hash
    (object.keys + get_keys(object.values)).flatten.uniq
  elsif object.is_a? Array
    object.collect{ |value| get_keys value }
  else
    []
  end
end

def locales_content(groups)
  locales = {}

  groups.each do |locale|
     content = YAML.load_file(locale)
     content = get_keys(content)
     key = content.shift
     locales[key] = content
  end

  locales
end

errors = []

ymls.each do |groups|
  locales = locales_content(groups)
  default_locale = locales.shift

  locales.to_a.each do |key, value|
    normal = default_locale.last - value
    inverse = value - default_locale.last

    origin = groups.detect do |group|
      normal.any? ? group.include?(key) : group.include?(default_locale.first)
    end

    errors << if normal.any?
      "Is missing the key(s): #{ normal.join(', ') } in #{ origin }"
    end

    errors << if inverse.any?
      "Is missing the key(s): #{ inverse.join(', ') } in #{ origin }"
    end
  end
end

puts errors.compact