js.rb in i18n-js-3.1.0

- old
+ new

@@ -26,10 +26,19 @@
 
     def self.config_file_path=(new_path)
       @config_file_path = new_path
     end
 
+    # Allow using a different backend than the one globally configured
+    def self.backend
+      @backend ||= I18n.backend
+    end
+
+    def self.backend=(alternative_backend)
+      @backend = alternative_backend
+    end
+
     # Export translations to JavaScript, considering settings
     # from configuration file
     def self.export
       export_i18n_js
 
@@ -159,10 +168,10 @@
       nil
     end
 
     # Initialize and return translations
     def self.translations
-      ::I18n.backend.instance_eval do
+      self.backend.instance_eval do
         init_translations unless initialized?
         # When activesupport is absent,
         # the core extension (`#slice`) from `i18n` gem will be used instead
         # And it's causing errors (at least in test)
         #