define a partial noop console api in server js context

Author: s6577t

lib/react/renderer.rb

@@ -22,6 +22,14 @@ def self.render(component, args={})
     def self.combined_js
       @@combined_js ||= <<-CODE
         var global = global || this;
+
+        var console = global.console || {};
+        ['error', 'log', 'info', 'warn'].forEach(function (fn) {
+          if (!(fn in console)) {
+            console[fn] = function () {};
+          }
+        });
+
         #{@@react_js};
         React = global.React;
         #{@@components_js};
@@ -48,4 +56,4 @@ def render(component, args={})
     end
 
   end
-end
+end

test/react_renderer_test.rb

@@ -8,4 +8,11 @@ class ReactRendererTest < ActiveSupport::TestCase
     assert_match /data-react-checksum/, result
   end
 
+  test 'Rendering does not throw an exception when console log api is used' do
+    %W(error info log warn).each do |fn|
+      assert_nothing_raised(ExecJS::ProgramError) do
+        React::Renderer.pool.checkout.context.eval("console.#{fn}()")
+      end
+    end
+  end
 end