Merge pull request #71 from movermeyer/mo.plurals_rb

Only export `plurals.rb` for those that have plurals data

lib/cldr/export.rb

@@ -108,7 +108,7 @@ def locale_based_data(component, locale, options = {})
 
       def plural_data(component, locale, options = {})
         data = locale_based_data(component, locale, options)
-        "{ :'#{locale}' => { :i18n => { :plural => { :keys => #{data[:keys].inspect}, :rule => #{data[:rule]} } } } }"
+        data.empty? ? "" : "{ :'#{locale}' => { :i18n => { :plural => { :keys => #{data[:keys].inspect}, :rule => #{data[:rule]} } } } }"
       end
 
       def shared_data(component, options = {})
@@ -145,7 +145,7 @@ def locales(locale, component, options)
             end
           end
 
-          ancestry 
+          ancestry
         else
           [locale]
         end

test/export_test.rb

@@ -26,6 +26,14 @@ def tmp_dir
     assert_equal 'NaN', data[:numbers][:symbols][:nan]
   end
 
+  test 'passing the merge option generates and merges Plurals data from fallback locales' do
+    data = Cldr::Export.data('Plurals', 'af-NA')
+    assert_equal "", data
+
+    data = Cldr::Export.data('Plurals', 'af-NA', :merge => true)
+    assert_match(/{ :'af-NA' => { :i18n => { :plural/, data)
+  end
+
   test 'the merge option respects parentLocales' do
     data = Cldr::Export.data('calendars', 'en-GB', :merge => true)
     assert_equal 'dd/MM/y', data[:calendars][:gregorian][:additional_formats]['yMd']