lib: Consistent error messages in all modules

This commit fixes some error messages that are not consistent with
some general rules which most of the error messages follow.

PR-URL: https://github.com/nodejs/node/pull/3374
Reviewed-By: Roman Reiss <me@silverwind.io>

1 files changed, 5 insertions, 5 deletions

diff --git a/lib/path.js b/lib/path.js
index 0c9c656e66..c78883bbd3 100644
--- a/lib/path.js
+++ b/lib/path.js
@@ -338,7 +338,7 @@ win32.dirname = function(path) {
 
 win32.basename = function(path, ext) {
   if (ext !== undefined && typeof ext !== 'string')
-    throw new TypeError('ext must be a string');
+    throw new TypeError('"ext" argument must be a string');
 
   var f = win32SplitPath(path)[2];
   // TODO: make this comparison case-insensitive on windows?
@@ -357,7 +357,7 @@ win32.extname = function(path) {
 win32.format = function(pathObject) {
   if (pathObject === null || typeof pathObject !== 'object') {
     throw new TypeError(
-        "Parameter 'pathObject' must be an object, not " + typeof pathObject
+        'Parameter "pathObject" must be an object, not ' + typeof pathObject
     );
   }
 
@@ -365,7 +365,7 @@ win32.format = function(pathObject) {
 
   if (typeof root !== 'string') {
     throw new TypeError(
-        "'pathObject.root' must be a string or undefined, not " +
+        '"pathObject.root" must be a string or undefined, not ' +
         typeof pathObject.root
     );
   }
@@ -547,7 +547,7 @@ posix.dirname = function(path) {
 
 posix.basename = function(path, ext) {
   if (ext !== undefined && typeof ext !== 'string')
-    throw new TypeError('ext must be a string');
+    throw new TypeError('"ext" argument must be a string');
 
   var f = posixSplitPath(path)[2];
 
@@ -574,7 +574,7 @@ posix.format = function(pathObject) {
 
   if (typeof root !== 'string') {
     throw new TypeError(
-        "'pathObject.root' must be a string or undefined, not " +
+        '"pathObject.root" must be a string or undefined, not ' +
         typeof pathObject.root
     );
   }