Use default params when --destructure-named-params + fix renaming of reserved destructured params

lib/src/js/template.dart

Index: lib/src/js/template.dart
diff --git a/lib/src/js/template.dart b/lib/src/js/template.dart
index 0dea734d868b1611203d44eaae9f4041bafb21c8..c13218e29793ac755ab70a9e6ed3082cfd61c8b2 100644
--- a/lib/src/js/template.dart
+++ b/lib/src/js/template.dart
@@ -857,6 +857,10 @@ class InstantiatorGeneratorVisitor implements NodeVisitor<Instantiator> {
           makeVars.map((m) => m(arguments)).toList());
     };
   }
+
+  @override
+  Instantiator visitSimpleBindingPattern(SimpleBindingPattern node) =>
+      (arguments) => new SimpleBindingPattern(new Identifier(node.name.name));
 }
 
 /**