From 34da3300f67fa61d2fc93330b8099172fea5f485 Mon Sep 17 00:00:00 2001
From: Thomas Cholley <thomas.cholley@appenin.fr>
Date: Thu, 30 Sep 2021 14:31:58 +0200
Subject: [PATCH] feat: handle null example

---
 lib/utilities.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/utilities.js b/lib/utilities.js
index 9028d80b..f2e89bec 100644
--- a/lib/utilities.js
+++ b/lib/utilities.js
@@ -88,11 +88,16 @@ utilities.deleteEmptyProperties = function(obj) {
   for (const key in obj) {
     if (Object.prototype.hasOwnProperty.call(obj, key)) {
       // delete properties undefined values
-      if (obj[key] === undefined || obj[key] === null) {
+      if (obj[key] === undefined) {
         delete obj[key];
       }
       // allow blank objects for example or default properties
       if (['default', 'example', 'security'].indexOf(key) === -1) {
+        // delete property null values
+        if (obj[key] === null) {
+          delete obj[key];
+        }
+
         // delete array with no values
         if (Array.isArray(obj[key]) && obj[key].length === 0) {
           delete obj[key];