From bea8e0617ad30ac87a9eee5d7105140b80eb5247 Mon Sep 17 00:00:00 2001
From: Michael Gloegl <michael.gloegl@signavio.com>
Date: Tue, 14 Dec 2021 15:13:13 +0100
Subject: [PATCH] Exclude null poperties when rendering JSON

---
 .../org/openapitools/openapidiff/core/output/JsonRender.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/org/openapitools/openapidiff/core/output/JsonRender.java b/core/src/main/java/org/openapitools/openapidiff/core/output/JsonRender.java
index b0518d000..e1cf5ee49 100644
--- a/core/src/main/java/org/openapitools/openapidiff/core/output/JsonRender.java
+++ b/core/src/main/java/org/openapitools/openapidiff/core/output/JsonRender.java
@@ -1,11 +1,13 @@
 package org.openapitools.openapidiff.core.output;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.openapitools.openapidiff.core.model.ChangedOpenApi;
 
 public class JsonRender implements Render {
-  private final ObjectMapper objectMapper = new ObjectMapper();
+  private final ObjectMapper objectMapper =
+      new ObjectMapper().setSerializationInclusion(JsonInclude.Include.NON_NULL);
 
   @Override
   public String render(ChangedOpenApi diff) {