minor

2012-09-28 11:12:47 +03:00
parent 05e15b1c0c
commit 896444482a
2 changed files with 12 additions and 2 deletions
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -698,9 +698,9 @@ function TreeWalker(callback) {
 TreeWalker.prototype = {
    _visit: function(node, descend) {
        this.stack.push(node);
-        var ret = this.visit(node, function(){
+        var ret = this.visit(node, descend ? function(){
            descend.call(node);
-        });
+        } : noop);
        if (!ret && descend) {
            descend.call(node);
        }