modularize util.trimRight

https://github.com/sindresorhus/trim-right

lib/babel/generation/buffer.js

@@ -3,10 +3,10 @@
 module.exports = Buffer;
 
 var repeating = require("repeating");
+var trimRight = require("trim-right");
 var isBoolean = require("lodash/lang/isBoolean");
 var includes  = require("lodash/collection/includes");
 var isNumber  = require("lodash/lang/isNumber");
-var util      = require("../util");
 
 function Buffer(position, format) {
   this.position = position;
@@ -16,7 +16,7 @@ function Buffer(position, format) {
 }
 
 Buffer.prototype.get = function () {
-  return util.trimRight(this.buf);
+  return trimRight(this.buf);
 };
 
 Buffer.prototype.getIndent = function () {
@@ -154,9 +154,9 @@ Buffer.prototype.endsWith = function (str) {
   return d >= 0 && this.buf.lastIndexOf(str) === d;
 };
 
-Buffer.prototype.isLast = function (cha, trimRight) {
+Buffer.prototype.isLast = function (cha, shouldTrimRight) {
   var buf = this.buf;
-  if (trimRight) buf = util.trimRight(buf);
+  if (shouldTrimRight) buf = trimRight(buf);
   var last = buf[buf.length - 1];
 
   if (Array.isArray(cha)) {

lib/babel/util.js

@@ -46,10 +46,6 @@ exports.resolve = function (loc) {
   }
 };
 
-exports.trimRight = function (str) {
-  return str.replace(/[\n\s]+$/g, "");
-};
-
 exports.list = function (val) {
   return val ? val.split(",") : [];
 };