From 6d97e5272b1b68ed377c5c0cdce9e7b1754a4c0a Mon Sep 17 00:00:00 2001
From: Deepak <deepak.sharma@goniyo.com>
Date: Sun, 14 Jul 2019 15:14:50 +0530
Subject: [PATCH] Add support for async functions

---
 lib/type.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/type.js b/lib/type.js
index cbec48f..6e5eff2 100644
--- a/lib/type.js
+++ b/lib/type.js
@@ -26,7 +26,7 @@ module.exports = exports = function (mongoose, opts) {
       if (!arg.length) return null;
     }
 
-    if ('string' == type && /^function\s*[^\(]*\(/.test(arg)) {
+    if ('string' == type && /^(async\s+)?function\s*[^\(]*\(/.test(arg)) {
       fn = toFunc(arg);
 
     } else if ('function' == type) {
@@ -69,7 +69,7 @@ function toFunction (arg) {
   if (0 == arg.length) return null;
 
   // must start with "function"
-  if (!/^function\s*[^\(]*\(/.test(arg)) {
+  if (!/^(async\s+)?function\s*[^\(]*\(/.test(arg)) {
     throw error(arg);
   }
 
@@ -84,7 +84,7 @@ function toFunction (arg) {
  */
 
 function trim (arg) {
-  var match = arg.match(/^function\s*[^\(]*\([^\)]*\)\s*{/);
+  var match = arg.match(/^(async\s+)?function\s*[^\(]*\([^\)]*\)\s*{/);
   if (!match) throw error(arg);
 
   // we included the first "{" in our match