From 38ca5db94ff14ffc5c376fb40bbbf7363e357f2c Mon Sep 17 00:00:00 2001
From: Maxwell Gerber <maxwell.gerber@mulesoft.com>
Date: Mon, 10 Sep 2018 12:50:11 -0700
Subject: [PATCH] binding.readdir can take anywhere from 2 to 4 arguments

---
 lib/binding.js | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/lib/binding.js b/lib/binding.js
index ae8eafc7..89c76cba 100644
--- a/lib/binding.js
+++ b/lib/binding.js
@@ -692,14 +692,25 @@ Binding.prototype.rename = function(oldPath, newPath, callback) {
  * Read a directory.
  * @param {string} dirpath Path to directory.
  * @param {string} encoding The encoding ('utf-8' or 'buffer').
+ * @param {boolean} withFileTypes whether or not to return fs.Dirent objects
  * @param {function(Error, (Array.<string>|Array.<Buffer>)} callback Callback
  *     (optional) called with any error or array of items in the directory.
  * @return {Array.<string>|Array.<Buffer>} Array of items in directory (if sync).
  */
-Binding.prototype.readdir = function(dirpath, encoding, callback) {
-  if (encoding && typeof encoding !== 'string') {
+Binding.prototype.readdir = function(
+  dirpath,
+  encoding,
+  withFileTypes,
+  callback
+) {
+  if (arguments.length === 2) {
     callback = encoding;
     encoding = 'utf-8';
+  } else if (arguments.length === 3) {
+    callback = withFileTypes;
+  }
+  if (withFileTypes === true) {
+    notImplemented();
   }
   return maybeCallback(normalizeCallback(callback), this, function() {
     var dpath = dirpath;