Transform can be simplified when clone is not done. (#2621)

mishoo · Dec 19, 2017 · 01057cf · 01057cf
1 parent 032f096
commit 01057cf
Showing 1 changed file with 3 additions and 6 deletions.
diff --git a/lib/transform.js b/lib/transform.js
@@ -60,12 +60,9 @@ TreeTransformer.prototype = new TreeWalker;
             tw.push(this);
             if (tw.before) x = tw.before(this, descend, in_list);
             if (x === undefined) {
-                if (!tw.after) {
-                    x = this;
-                    descend(x, tw);
-                } else {
-                    tw.stack[tw.stack.length - 1] = x = this;
-                    descend(x, tw);
+                x = this;
+                descend(x, tw);
+                if (tw.after) {
                     y = tw.after(x, in_list);
                     if (y !== undefined) x = y;
                 }