From dcbe32a651295487799dec0bd12b768515723e36 Mon Sep 17 00:00:00 2001
From: Vietworm <Vietworm@users.noreply.github.com>
Date: Fri, 15 Apr 2016 12:14:12 +0700
Subject: [PATCH] Add function isHashed, valid BCrypt hash

http://stackoverflow.com/questions/30877240/getting-error-the-string-not-a-valid-bcrypt-hash-was-thrown-throw-an-error
---
 bCrypt.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bCrypt.js b/bCrypt.js
index 5246f47..0f9488f 100644
--- a/bCrypt.js
+++ b/bCrypt.js
@@ -701,6 +701,11 @@ function getRounds(encrypted) {
 	return Number(encrypted.split("$")[2]);
 }
 
+function isHashed(password) {
+	if (!password) return false;
+	return password.split('$').length == 4;
+}
+
 exports.genSaltSync = genSaltSync;
 exports.genSalt = genSalt;
 exports.hashSync = hashSync;
@@ -708,3 +713,4 @@ exports.hash = hash;
 exports.compareSync = compareSync;
 exports.compare = compare;
 exports.getRounds = getRounds;
+exports.isHashed = isHashed;