prepend Comment to comment node types

src/babel/generation/index.js

@@ -267,7 +267,7 @@ class CodeGenerator {
 
   generateComment(comment) {
     var val = comment.value;
-    if (comment.type === "Line") {
+    if (comment.type === "CommentLine") {
       val = `//${val}`;
     } else {
       val = `/*${val}*/`;
@@ -343,7 +343,7 @@ class CodeGenerator {
       }
 
       //
-      if (comment.type === "Block" && this.format.indent.adjustMultilineComment) {
+      if (comment.type === "CommentBlock" && this.format.indent.adjustMultilineComment) {
         var offset = comment.loc.start.column;
         if (offset) {
           var newlineRegex = new RegExp("\\n\\s{1," + offset + "}", "g");
@@ -360,7 +360,7 @@ class CodeGenerator {
 
       // force a newline for line comments when retainLines is set in case the next printed node
       // doesn't catch up
-      if (this.format.retainLines && comment.type === "Line") {
+      if (this.format.retainLines && comment.type === "CommentLine") {
         val += "\n";
       }
 

src/babel/generation/whitespace.js

@@ -82,7 +82,7 @@ export default class Whitespace {
       return 1;
     } else {
       var lines = this.getNewlinesBetween(startToken, endToken);
-      if (node.type === "Line" && !lines) {
+      if (node.type === "CommentLine" && !lines) {
         // line comment
         return 1;
       } else {

src/babel/helpers/parse.js

@@ -22,7 +22,7 @@ export default function (code, opts = {}) {
 
   parseOpts.onComment = function (block, text, start, end, startLoc, endLoc) {
     var comment = {
-      type: block ? "Block" : "Line",
+      type: block ? "CommentBlock" : "CommentLine",
       value: text,
       start: start,
       end: end,

src/babel/transformation/file/index.js

@@ -330,7 +330,7 @@ export default class File {
     if (comment) {
       node.leadingComments = node.leadingComments || [];
       node.leadingComments.push({
-        type: "Line",
+        type: "CommentLine",
         value: " " + comment
       });
     }