From 5c19c7d470ea2853de7e40df8cfa0d89b3283516 Mon Sep 17 00:00:00 2001
From: tsamson <tyler.samson@blinemedical.com>
Date: Thu, 11 Oct 2018 13:51:44 -0400
Subject: [PATCH] temporary solution for circular references in JSON without
 upgrading past 7.6

---
 lib/paths.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/paths.js b/lib/paths.js
index f34735b3..76a20c6b 100644
--- a/lib/paths.js
+++ b/lib/paths.js
@@ -378,7 +378,10 @@ internals.overload = function (base, priority) {
  */
 internals.hasFileType = function (route) {
 
-    let routeString = JSON.stringify(route);
+    const routeString = JSON.stringify(route, (key, value) => {
+        // _currentJoi is a circular reference, introduced in Joi v11.0.0
+        return key === '_currentJoi' ? undefined : value;
+    });
     return routeString.indexOf('swaggerType') > -1;
 };