From fb82137ecefb56b5e93b70686e0dc0b4bb591b7c Mon Sep 17 00:00:00 2001
From: "Calvin W. Metcalf" <cmetcalf@appgeo.com>
Date: Thu, 8 Apr 2021 14:35:43 -0400
Subject: [PATCH] handle different returns

---
 lib/async.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/async.js b/lib/async.js
index 29962c3..3af2c49 100644
--- a/lib/async.js
+++ b/lib/async.js
@@ -93,7 +93,7 @@ module.exports = function (password, salt, iterations, keylen, digest, callback)
   var algo = toBrowser[digest.toLowerCase()]
 
   if (!algo || typeof global.Promise !== 'function') {
-    return getNextTick()(function () {
+    getNextTick()(function () {
       var out
       try {
         out = sync(password, salt, iterations, keylen, digest)
@@ -102,6 +102,7 @@ module.exports = function (password, salt, iterations, keylen, digest, callback)
       }
       callback(null, out)
     })
+    return
   }
 
   checkParameters(iterations, keylen)