Ignore Arrays in Rails i18n yml files

CHANGELOG.md

@@ -8,6 +8,8 @@ See [Upgrading React on Rails](./docs/basics/upgrading-react-on-rails.md) for mo
 ## [Unreleased]
 Changes since last non-beta release.
 
+- Ignore Arrays in Rails i18n yml files
+
 *Please add entries here for your pull requests that are not yet released.*
 ### [11.1.1] - 2018-08-09
 #### Fixed

lib/react_on_rails/locales_to_js.rb

@@ -107,6 +107,8 @@ def flatten(translations)
       translations.each_with_object({}) do |(k, v), h|
         if v.is_a? Hash
           flatten(v).map { |hk, hv| h["#{k}.#{hk}".to_sym] = hv }
+        elsif v.is_a? Array
+          # Arrays are not supported by react-intl
         else
           h[k] = v.gsub("%{", "{")
         end

spec/react_on_rails/fixtures/i18n/locales/en.yml

@@ -1,3 +1,4 @@
 en:
   hello: "Hello world"
   argument: "I am %{age} years old."
+  day_names: [Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday]

spec/react_on_rails/locales_to_js_spec.rb

@@ -30,6 +30,7 @@ module ReactOnRails
           expect(default).to include("const defaultLocale = 'en';")
           expect(default).to include('{"hello":{"id":"hello","defaultMessage":"Hello world"}')
           expect(default).to include('"argument":{"id":"argument","defaultMessage":"I am {age} years old."}}')
+          expect(default).not_to include('day_names:')
 
           expect(File.mtime(translations_path)).to be >= File.mtime(en_path)
         end