From 08f9a65ddad24859ecff6a229edcdd9d91fcc62f Mon Sep 17 00:00:00 2001
From: NAMRA RAFIQUE <namrarafique93@gmail.com>
Date: Tue, 2 Jun 2026 23:42:43 +0530
Subject: [PATCH] "perf: cache package metadata lookups"

---
 scripts/check-deps.js | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/scripts/check-deps.js b/scripts/check-deps.js
index 0ee336203..e8a8806b5 100644
--- a/scripts/check-deps.js
+++ b/scripts/check-deps.js
@@ -17,6 +17,7 @@ const FRAMEWORK_ALIASES = new Set([
   "next", "react", "react-dom",
   "server-only", "client-only",
 ]);
+const packageMetadataCache = new Map();
 
 function collectFiles(dir) {
   const out = [];
@@ -96,14 +97,22 @@ function loadInternalAliases(rootDir) {
 }
 function isValidPackageSubpath(pkgName, mod, cwd) {
   try {
-    const pkgJsonPath = require.resolve(
-      `${pkgName}/package.json`,
-      { paths: [cwd] }
-    );
+    let pkgJson;
+
+    if (packageMetadataCache.has(pkgName)) {
+      pkgJson = packageMetadataCache.get(pkgName);
+    } else {
+      const pkgJsonPath = require.resolve(
+        `${pkgName}/package.json`,
+        { paths: [cwd] }
+      );
 
-    const pkgJson = JSON.parse(
-      fs.readFileSync(pkgJsonPath, "utf8")
-    );
+      pkgJson = JSON.parse(
+        fs.readFileSync(pkgJsonPath, "utf8")
+      );
+
+      packageMetadataCache.set(pkgName, pkgJson);
+    }
 
     const exportsField = pkgJson.exports;