From f25ed0b5dead670f0de16e0c96251a8b3ba45700 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Tue, 13 Jan 2015 23:27:52 +1100
Subject: [PATCH] add minimum of 1 newline after line comments - fixes #442 and
 fixes #477

---
 lib/6to5/generation/whitespace.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/6to5/generation/whitespace.js b/lib/6to5/generation/whitespace.js
index aba4628493..c7dda860da 100644
--- a/lib/6to5/generation/whitespace.js
+++ b/lib/6to5/generation/whitespace.js
@@ -47,7 +47,13 @@ Whitespace.prototype.getNewlinesAfter = function (node) {
   if (endToken.type.type === "eof") {
     return 1;
   } else {
-    return this.getNewlinesBetween(startToken, endToken);
+    var lines = this.getNewlinesBetween(startToken, endToken);
+    if (node.type === "Line" && !lines) {
+      // line comment
+      return 1;
+    } else {
+      return lines;
+    }
   }
 };