Fix for IO#closed?

adambeynon · adambeynon · commit 8f553e8d7572 · 2014-12-07T18:01:18.000Z
diff --git a/opal/opal/rspec/fixes.rb b/opal/opal/rspec/fixes.rb
@@ -1,3 +1,10 @@
+# IO.closed? missing - BaseFormatter uses it for sync impl
+class IO
+  def closed?
+    false
+  end
+end
+
 # Opal defines enumerable#flat_map, but doesnt implement it
 module RSpec::Core::FlatMap
   def flat_map(array)
