fix style in path.js

lib/path.js

@@ -1,8 +1,8 @@
-
 function validPathPart (p, keepBlanks) {
   return typeof p === "string" && (p || keepBlanks);
 }
 
+
 exports.join = function () {
   var args = Array.prototype.slice.call(arguments);
   // edge case flag to switch into url-resolve-mode
@@ -14,32 +14,42 @@ exports.join = function () {
   var joined = exports.normalizeArray(args, keepBlanks).join("/");
   return joined;
 };
+
+
 exports.split = function (path, keepBlanks) {
   // split based on /, but only if that / is not at the start or end.
   return exports.normalizeArray(path.split(/^|\/(?!$)/), keepBlanks);
 };
+
+
 function cleanArray (parts, keepBlanks) {
   var i = 0;
   var l = parts.length - 1;
   var stripped = false;
+
   // strip leading empty args
   while (i < l && !validPathPart(parts[i], keepBlanks)) {
     stripped = true;
     i ++;
   }
+
   // strip tailing empty args
   while (l >= i && !validPathPart(parts[l], keepBlanks)) {
     stripped = true;
     l --;
   }
+
   if (stripped) {
     // if l chopped all the way back to i, then this is empty
     parts = Array.prototype.slice.call(parts, i, l + 1);
   }
+
   return parts.filter(function (p) { return validPathPart(p, keepBlanks) })
               .join('/')
               .split(/^|\/(?!$)/);
 }
+
+
 exports.normalizeArray = function (original, keepBlanks) {
   var parts = cleanArray(original, keepBlanks);
   if (!parts.length || (parts.length === 1 && !parts[0])) return ["."];
@@ -48,6 +58,7 @@ exports.normalizeArray = function (original, keepBlanks) {
   // leading/trailing invalids have been stripped off.
   // if it comes in starting with a slash, or ending with a slash,
   var leadingSlash = (parts[0].charAt(0) === "/");
+
   if (leadingSlash) parts[0] = parts[0].substr(1);
   var last = parts.slice(-1)[0];
   var tailingSlash = (last.substr(-1) === "/");
@@ -100,10 +111,12 @@ exports.normalizeArray = function (original, keepBlanks) {
   return directories;
 };
 
+
 exports.normalize = function (path, keepBlanks) {
   return exports.join(path, keepBlanks || false);
 };
 
+
 exports.dirname = function (path) {
   if (path.length > 1 && '/' === path[path.length-1]) {
     path = path.replace(/\/+$/, '');
@@ -119,6 +132,7 @@ exports.dirname = function (path) {
   }
 };
 
+
 exports.basename = function (path, ext) {
   var f = path.substr(path.lastIndexOf("/") + 1);
   if (ext && f.substr(-1 * ext.length) === ext) {
@@ -127,6 +141,7 @@ exports.basename = function (path, ext) {
   return f;
 };
 
+
 exports.extname = function (path) {
   var dot = path.lastIndexOf('.'),
       slash = path.lastIndexOf('/');
@@ -136,12 +151,14 @@ exports.extname = function (path) {
   return dot <= slash + 1 ? '' : path.substring(dot);
 };
 
+
 exports.exists = function (path, callback) {
   process.binding('fs').stat(path, function (err, stats) {
     if (callback) callback(err ? false : true);
   });
 };
 
+
 exports.existsSync = function (path) {
   try {
     process.binding('fs').stat(path);