From 7d45c346bbdf643a93d0247fee9f91c06b24aec7 Mon Sep 17 00:00:00 2001
From: Remco Haszing <remcohaszing@gmail.com>
Date: Sun, 6 Apr 2025 19:19:36 +0200
Subject: [PATCH] doc: allow the $schema property in node.config.json
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The documentation states people can use the `$schema` property, but the
JSON schema forbids this. This change allows it.

PR-URL: https://github.com/nodejs/node/pull/57560
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Ulises Gascón <ulisesgascongonzalez@gmail.com>
Reviewed-By: Jordan Harband <ljharb@gmail.com>
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Pietro Marchini <pietro.marchini94@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 doc/node-config-schema.json | 3 +++
 lib/internal/options.js     | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/doc/node-config-schema.json b/doc/node-config-schema.json
index 8430a086d28..ca10429ef57 100644
--- a/doc/node-config-schema.json
+++ b/doc/node-config-schema.json
@@ -2,6 +2,9 @@
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "additionalProperties": false,
   "properties": {
+    "$schema": {
+      "type": "string"
+    },
     "nodeOptions": {
       "additionalProperties": false,
       "properties": {
diff --git a/lib/internal/options.js b/lib/internal/options.js
index efc3ff3c30c..12548ac49a2 100644
--- a/lib/internal/options.js
+++ b/lib/internal/options.js
@@ -45,6 +45,10 @@ function generateConfigJsonSchema() {
     $schema: 'https://json-schema.org/draft/2020-12/schema',
     additionalProperties: false,
     properties: {
+      $schema: {
+        __proto__: null,
+        type: 'string',
+      },
       nodeOptions: {
         __proto__: null,
         additionalProperties: false,