Merge pull request #262 from josh/comment-before-newlines

Fix whitespace before comments

lib/6to5/generation/buffer.js

@@ -68,7 +68,6 @@ Buffer.prototype.removeLast = function (cha) {
 Buffer.prototype.newline = function (i, removeLast) {
   if (!this.buf) return;
   if (this.format.compact) return;
-  if (this.endsWith("{\n")) return;
 
   if (_.isBoolean(i)) {
     removeLast = i;
@@ -76,6 +75,7 @@ Buffer.prototype.newline = function (i, removeLast) {
   }
 
   if (_.isNumber(i)) {
+    if (this.endsWith("{\n")) i--;
     if (this.endsWith(util.repeat(i, "\n"))) return;
 
     var self = this;

test/fixtures/generation/comments/2-space-multi-comment-with-space/actual.js

@@ -0,0 +1,10 @@
+function test() {
+
+
+  /*
+   * this is comment
+   */
+
+
+  var i = 20;
+}

test/fixtures/generation/comments/2-space-multi-comment-with-space/expected.js

@@ -0,0 +1,10 @@
+function test() {
+
+
+  /*
+   * this is comment
+   */
+
+
+  var i = 20;
+}

test/fixtures/generation/comments/comment-only-with-space/actual.js

@@ -0,0 +1,7 @@
+
+// from #23
+
+/**/
+
+/*
+*/

test/fixtures/generation/comments/comment-only-with-space/expected.js

@@ -0,0 +1,7 @@
+
+// from #23
+
+/**/
+
+/*
+*/