From a2ed0ea9c5350face6ddecbb2788d608938f5675 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Thu, 8 Jan 2015 00:44:53 +1100
Subject: [PATCH] only align variable declarations if at least one declarator
 has an init

---
 lib/6to5/generation/generators/statements.js | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/lib/6to5/generation/generators/statements.js b/lib/6to5/generation/generators/statements.js
index 0ccd4908e2..fd2ddba1ec 100644
--- a/lib/6to5/generation/generators/statements.js
+++ b/lib/6to5/generation/generators/statements.js
@@ -157,7 +157,22 @@ exports.DebuggerStatement = function () {
 exports.VariableDeclaration = function (node, print, parent) {
   this.push(node.kind + " ");
 
-  print.join(node.declarations, { separator: ",\n" + this.getIndent(2) });
+  var hasInits = false;
+  for (var i in node.declarations) {
+    if (node.declarations[i].init) {
+      hasInits = true;
+      break;
+    }
+  }
+
+  var sep = ",";
+  if (hasInits) {
+    sep += "\n" + this.getIndent(2);
+  } else {
+    sep += " ";
+  }
+
+  print.join(node.declarations, { separator: sep });
 
   if (!t.isFor(parent)) {
     this.semicolon();