From 88a85c0ca8e44575dea7c6a74b89d7553dec70bc Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sun, 7 Dec 2014 11:19:17 +1100
Subject: [PATCH] fix files only containg comments not being output - fixes
 #259

---
 CHANGELOG.md                                              | 4 ++++
 lib/6to5/generation/generator.js                          | 8 ++++++++
 .../{.comment-only/expected.js => comment-only/actual.js} | 0
 .../{.comment-only/actual.js => comment-only/expected.js} | 4 ++--
 4 files changed, 14 insertions(+), 2 deletions(-)
 rename test/fixtures/generation/comments/{.comment-only/expected.js => comment-only/actual.js} (100%)
 rename test/fixtures/generation/comments/{.comment-only/actual.js => comment-only/expected.js} (63%)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93935fa179..76a09da17b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.14.18
+
+ * Fix files only containg comments not being output.
+
 # 1.14.17
 
  * Add default initializer to let variables within loop bodies.
diff --git a/lib/6to5/generation/generator.js b/lib/6to5/generation/generator.js
index 18fa9b00a3..6c0274a7b8 100644
--- a/lib/6to5/generation/generator.js
+++ b/lib/6to5/generation/generator.js
@@ -71,6 +71,12 @@ CodeGenerator.prototype.generate = function () {
 
   this.print(ast);
 
+  var comments = [];
+  _.each(ast.comments, function (comment) {
+    if (!comment._displayed) comments.push(comment);
+  });
+  if (comments.length) this._printComments(comments);
+
   return {
     map:  this.map.get(),
     code: this.buffer.get()
@@ -259,6 +265,8 @@ CodeGenerator.prototype._printComments = function (comments) {
   var self = this;
 
   _.each(comments, function (comment) {
+    comment._displayed = true;
+
     // whitespace before
     self.newline(self.whitespace.getNewlinesBefore(comment));
 
diff --git a/test/fixtures/generation/comments/.comment-only/expected.js b/test/fixtures/generation/comments/comment-only/actual.js
similarity index 100%
rename from test/fixtures/generation/comments/.comment-only/expected.js
rename to test/fixtures/generation/comments/comment-only/actual.js
diff --git a/test/fixtures/generation/comments/.comment-only/actual.js b/test/fixtures/generation/comments/comment-only/expected.js
similarity index 63%
rename from test/fixtures/generation/comments/.comment-only/actual.js
rename to test/fixtures/generation/comments/comment-only/expected.js
index 2cc6cab81c..b30266f9e6 100644
--- a/test/fixtures/generation/comments/.comment-only/actual.js
+++ b/test/fixtures/generation/comments/comment-only/expected.js
@@ -1,6 +1,6 @@
+"use strict";
+
 // from #23
 /**/
 /*
 */
-
-test