check if node exists before inheriting comments to it

2014-12-29 01:37:12 +11:00
parent 213003a007
commit 03efd69998
1 changed files with 1 additions and 1 deletions
--- a/lib/6to5/traverse/index.js
+++ b/lib/6to5/traverse/index.js
@@ -48,7 +48,7 @@ function traverse(parent, opts, scope) {
          // inherit comments from original node to the first replacement node
          var inheritTo = result;
          if (isArray) inheritTo = result[0];
-          t.inheritsComments(inheritTo, node);
+          if (inheritTo) t.inheritsComments(inheritTo, node);

          // replace the node
          node = obj[key] = result;