lib: macro-ify type checks

Increases the grep factor. Makes it easier to harmonize type checks
across the code base.

1 files changed, 5 insertions, 5 deletions

diff --git a/lib/path.js b/lib/path.js
index 5cef72fac7..bd5e43793c 100644
--- a/lib/path.js
+++ b/lib/path.js
@@ -112,7 +112,7 @@ if (isWindows) {
       }
 
       // Skip empty and invalid entries
-      if (typeof path !== 'string') {
+      if (!IS_STRING(path)) {
         throw new TypeError('Arguments to path.resolve must be strings');
       } else if (!path) {
         continue;
@@ -214,7 +214,7 @@ if (isWindows) {
   // windows version
   exports.join = function() {
     function f(p) {
-      if (typeof p !== 'string') {
+      if (!IS_STRING(p)) {
         throw new TypeError('Arguments to path.join must be strings');
       }
       return p;
@@ -323,7 +323,7 @@ if (isWindows) {
       var path = (i >= 0) ? arguments[i] : process.cwd();
 
       // Skip empty and invalid entries
-      if (typeof path !== 'string') {
+      if (!IS_STRING(path)) {
         throw new TypeError('Arguments to path.resolve must be strings');
       } else if (!path) {
         continue;
@@ -374,7 +374,7 @@ if (isWindows) {
   exports.join = function() {
     var paths = Array.prototype.slice.call(arguments, 0);
     return exports.normalize(paths.filter(function(p, index) {
-      if (typeof p !== 'string') {
+      if (!IS_STRING(p)) {
         throw new TypeError('Arguments to path.join must be strings');
       }
       return p;
@@ -476,7 +476,7 @@ exports.existsSync = util.deprecate(function(path) {
 if (isWindows) {
   exports._makeLong = function(path) {
     // Note: this will *probably* throw somewhere.
-    if (typeof path !== 'string')
+    if (!IS_STRING(path))
       return path;
 
     if (!path) {