core/boolean.rb in opal-0.3.18 vs core/boolean.rb in opal-0.3.19

@@ -1,5 +1,9 @@
-class Boolean
+class Boolean < `Boolean`
+  %x{
+    def._isBoolean = true;
+  }
+
   def &(other)
     `(this == true) ? (other !== false && other !== nil) : false`
   end
 
   def |(other)