Add Native.is_a? to wrap instanceof

opal · Sep 30, 2013 · ce5cd7e · ce5cd7e
1 parent 59fde73
commit ce5cd7e
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/corelib/native.rb b/corelib/native.rb
@@ -141,6 +141,17 @@ def length
     alias to_ary to_a
   end
 
+  def self.is_a?(object, klass)
+    %x{
+      try {
+        return #{object} instanceof #{klass};
+      }
+      catch (e) {
+        return false;
+      }
+    }
+  end
+
   def self.try_convert(value)
     %x{
       if (#{native?(value)}) {