From 0a098d202fbb11341b2b1e95e3664d943f8698a0 Mon Sep 17 00:00:00 2001
From: ishabi <ilyasshabi94@gmail.com>
Date: Wed, 16 Jul 2025 12:52:29 +0200
Subject: [PATCH] src: add cache to nearest parent package json

---
 lib/internal/modules/package_json_reader.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/internal/modules/package_json_reader.js b/lib/internal/modules/package_json_reader.js
index 7f41dd43eb81e4..0dc15c9cd0bfe3 100644
--- a/lib/internal/modules/package_json_reader.js
+++ b/lib/internal/modules/package_json_reader.js
@@ -5,6 +5,7 @@ const {
   JSONParse,
   ObjectDefineProperty,
   RegExpPrototypeExec,
+  SafeMap,
   StringPrototypeIndexOf,
   StringPrototypeSlice,
 } = primordials;
@@ -28,6 +29,8 @@ const path = require('path');
 const { validateString } = require('internal/validators');
 const internalFsBinding = internalBinding('fs');
 
+const nearestParentPackageJSONCache = new SafeMap();
+
 /**
  * @typedef {import('typings/internalBinding/modules').DeserializedPackageConfig} DeserializedPackageConfig
  * @typedef {import('typings/internalBinding/modules').PackageConfig} PackageConfig
@@ -131,13 +134,21 @@ function read(jsonPath, { base, specifier, isESM } = kEmptyObject) {
  * @returns {undefined | DeserializedPackageConfig}
  */
 function getNearestParentPackageJSON(checkPath) {
+  if (nearestParentPackageJSONCache.has(checkPath)) {
+    return nearestParentPackageJSONCache.get(checkPath);
+  }
+
   const result = modulesBinding.getNearestParentPackageJSON(checkPath);
 
   if (result === undefined) {
+    nearestParentPackageJSONCache.set(checkPath, undefined);
     return undefined;
   }
 
-  return deserializePackageJSON(checkPath, result);
+  const packageConfig = deserializePackageJSON(checkPath, result);
+  nearestParentPackageJSONCache.set(checkPath, packageConfig);
+
+  return packageConfig;
 }
 
 /**