middleware.rb in i18n-js-3.0.0.rc6

- old
+ new

@@ -11,23 +11,34 @@
         @app.call(env)
       end
 
       private
       def cache_path
-        @cache_path ||= Rails.root.join("tmp/cache/i18n-js.yml")
+        @cache_path ||= cache_dir.join("i18n-js.yml")
       end
 
+      def cache_dir
+        @cache_dir ||= Rails.root.join("tmp/cache")
+      end
+
       def cache
         @cache ||= begin
           if cache_path.exist?
             YAML.load_file(cache_path) || {}
           else
             {}
           end
         end
       end
 
+      def save_cache(new_cache)
+        FileUtils.mkdir_p(cache_dir)
+        File.open(cache_path, "w+") do |file|
+          file << new_cache.to_yaml
+        end
+      end
+
       # Check if translations should be regenerated.
       # ONLY REGENERATE when these conditions are met:
       #
       # # Cache file doesn't exist
       # # Translations and cache size are different (files were removed/added)
@@ -46,12 +57,10 @@
           new_cache[path] = changed_at
         end
 
         return if valid_cache.all?
 
-        File.open(cache_path, "w+") do |file|
-          file << new_cache.to_yaml
-        end
+        save_cache(new_cache)
 
         ::I18n::JS.export
       end
     end
   end