generator: add existence check to printJoin

2014-11-19 12:40:35 +11:00
parent 5fca095149
commit 8f4c4be821
1 changed files with 2 additions and 0 deletions
--- a/lib/6to5/generation/generator.js
+++ b/lib/6to5/generation/generator.js
@@ -165,6 +165,8 @@ CodeGenerator.prototype.print = function (node, parent, opts) {
 };

 CodeGenerator.prototype.printJoin = function (print, nodes, opts) {
+  if (!nodes || !nodes.length) return;
+
  opts = opts || {};

  var self = this;