From aac36896494aa554ce64897b68ddb852773189f6 Mon Sep 17 00:00:00 2001
From: Artur Klesun <ArturKlesun@gmail.com>
Date: Wed, 3 Feb 2021 10:17:57 +0200
Subject: [PATCH] Add `objectBaseClass` option which can be set to `Object`
 instead of `null` to preserve prototype methods like `hasOwnProperty`

https://github.com/sidorares/json-bigint/issues/38
---
 lib/parse.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/parse.js b/lib/parse.js
index bb4e5eb..347890d 100644
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -88,6 +88,7 @@ var json_parse = function (options) {
     useNativeBigInt: false, // toggles whether to use native BigInt instead of bignumber.js
     protoAction: 'error',
     constructorAction: 'error',
+    objectBaseClass: null, // pass `Object` if you require prototype methods like `hasOwnProperty` for the compatibility with JSON.parse()
   };
 
   // If there are options, then use them to override the default _options
@@ -327,7 +328,7 @@ var json_parse = function (options) {
       // Parse an object value.
 
       var key,
-        object = Object.create(null);
+        object = Object.create(_options.objectBaseClass);
 
       if (ch === '{') {
         next('{');