Middleman localization idea

config.rb

langs = Dir["data/lang_*.yml"].map { |file| File.basename(file).gsub("lang_", "") }

# Option A, file all files in a folder, make them all localized
Dir["source/localizable/**"].each do |file|
  # Convert source/localizable/template.html.erb to localizable/template.html
  path = file.split("source/").last.gsub(".erb", "")

  langs.each do |lang|
    page path.gsub("localizable", lang), :proxy => path, :ignore => true do
      @lang = lang
    end
  end
end

# Options B, store all the path mappings in a data file (paths.yml or something)
data.paths do |lang|
  lang.each do |to, from|
    page to, :proxy => from, :ignore => true do
      @lang = lang
    end
  end
end

lang_en.yml

// data/lang_en.yml
title: "Hello"

lang_es.yml

// data/lang_es.yml
title: "Hola"

template.html.erb

<!-- source/localizable/template.html.erb -->

<title><%= data[@lang].title %></title>