From 0e82a35c4c471cc0b0ce16d4e6891e90e8d498a9 Mon Sep 17 00:00:00 2001
From: Khanh Hoang <hckhanh@users.noreply.github.com>
Date: Wed, 30 Sep 2015 17:55:38 +0700
Subject: [PATCH] Update bCrypt.js

I config some code from the `genSalt(rounds, callback)` function
---
 bCrypt.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/bCrypt.js b/bCrypt.js
index 5246f47..4ddcfb2 100644
--- a/bCrypt.js
+++ b/bCrypt.js
@@ -582,9 +582,19 @@ function genSalt(rounds, callback) {
 			error - First parameter to the callback detailing any errors.
 			salt - Second parameter to the callback providing the generated salt.
 	*/
+	
+	if (arguments.length == 0)
+		throw new Error("No args");
+	
+	if (typeof rounds === 'function') {
+		callback = rounds;
+		rounds = 10;
+	}
+	
 	if(!callback) {
-		throw "No callback function was given."
+		throw new Error("No callback function was given.");
 	}
+	
 	process.nextTick(function() {
 		var result = null;
 		var error = null;