Merge pull request reactjs#604 from NGMarmaduke/nm/feature/sprockets-code-param

Add code option to Sprockets Render

Author: Robert Mosolgo

lib/react/server_rendering/sprockets_renderer.rb

@@ -17,6 +17,7 @@ def initialize(options={})
         @replay_console = options.fetch(:replay_console, true)
         filenames = options.fetch(:files, ["react-server.js", "components.js"])
         js_code = CONSOLE_POLYFILL.dup
+        js_code << options.fetch(:code, '')
 
         filenames.each do |filename|
           js_code << asset_container.find_asset(filename)

test/helper_files/WithoutSprockets.js

@@ -0,0 +1,11 @@
+// compiled with Babel 6.14.0
+// const WithoutSprockets = ({label}) => <span>{label}</span>;
+
+var WithoutSprockets = function WithoutSprockets(_ref) {
+  var label = _ref.label;
+  return React.createElement(
+    "span",
+    null,
+    label
+  );
+};

test/react/server_rendering/sprockets_renderer_test.rb

@@ -48,6 +48,14 @@ class SprocketsRendererTest < ActiveSupport::TestCase
       assert_match(/\n/, err.to_s, "it includes the multi-line backtrace")
     end
 
+    test '.new accepts additional code to add to the JS context' do
+      additional_code = File.read(File.expand_path("../../../helper_files/WithoutSprockets.js", __FILE__))
+
+      additional_renderer = React::ServerRendering::SprocketsRenderer.new(code: additional_code)
+
+      assert_match(/drink more caffeine<\/span>/, additional_renderer.render("WithoutSprockets", {label: "drink more caffeine"}, nil))
+    end
+
     test '.new accepts any filenames' do
       limited_renderer = React::ServerRendering::SprocketsRenderer.new(files: ["react-server.js", "components/Todo.js"])
       assert_match(/get a real job<\/li>/, limited_renderer.render("Todo", {todo: "get a real job"}, nil))