From 85189ead42cd69682a7aa009569e009803ecb6da Mon Sep 17 00:00:00 2001
From: Jean-Daniel LOMENEDE
 <jean-daniel.lomenede@agriculture-equipement.gouv.fr>
Date: Wed, 19 Apr 2023 18:03:00 +0200
Subject: [PATCH] replace NULL value (empty list) by NA issue #199

---
 R/as.json.R | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/R/as.json.R b/R/as.json.R
index 4699631..5c689ff 100644
--- a/R/as.json.R
+++ b/R/as.json.R
@@ -29,7 +29,7 @@ as.json.list <- function(x, ...) {
 }
 
 #' @export
-as.json.geo_list <- function(x, ...) to_json(unclass(x), ...)
+as.json.geo_list <- function(x, ...) to_json(unclass(x), null = "null", ...)
 
 #' @export
 as.json.geojson_file <- function(x, ...) {