From 899258e979bd66ef95a748db664872d5d3bdb433 Mon Sep 17 00:00:00 2001
From: Nitin Kumar <snitin315@gmail.com>
Date: Sat, 24 Sep 2022 14:03:04 +0530
Subject: [PATCH 1/2] fix: respect `NODE_PATH` env variable

---
 bin/webpack-dev-server.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/bin/webpack-dev-server.js b/bin/webpack-dev-server.js
index d5262fffa7..6860469ea2 100755
--- a/bin/webpack-dev-server.js
+++ b/bin/webpack-dev-server.js
@@ -43,6 +43,18 @@ const isInstalled = (packageName) => {
   const path = require("path");
   const fs = require("graceful-fs");
 
+  // Respect NODE_PATH environment variable
+  try {
+    if (
+      process.env.NODE_PATH &&
+      fs.statSync(path.join(process.env.NODE_PATH, packageName)).isDirectory()
+    ) {
+      return true;
+    }
+  } catch (_error) {
+    // Nothing
+  }
+
   let dir = __dirname;
 
   do {

From 27b6dcb080373cd08a3128017775afb951bf2b1e Mon Sep 17 00:00:00 2001
From: "alexander.akait" <sheo13666q@gmail.com>
Date: Tue, 27 Sep 2022 04:24:10 +0300
Subject: [PATCH 2/2] refactor: improve

---
 bin/webpack-dev-server.js | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/bin/webpack-dev-server.js b/bin/webpack-dev-server.js
index 6860469ea2..5cf7a3bd5a 100755
--- a/bin/webpack-dev-server.js
+++ b/bin/webpack-dev-server.js
@@ -43,18 +43,6 @@ const isInstalled = (packageName) => {
   const path = require("path");
   const fs = require("graceful-fs");
 
-  // Respect NODE_PATH environment variable
-  try {
-    if (
-      process.env.NODE_PATH &&
-      fs.statSync(path.join(process.env.NODE_PATH, packageName)).isDirectory()
-    ) {
-      return true;
-    }
-  } catch (_error) {
-    // Nothing
-  }
-
   let dir = __dirname;
 
   do {
@@ -70,6 +58,18 @@ const isInstalled = (packageName) => {
     // eslint-disable-next-line no-cond-assign
   } while (dir !== (dir = path.dirname(dir)));
 
+  // https://github.com/nodejs/node/blob/v18.9.1/lib/internal/modules/cjs/loader.js#L1274
+  // @ts-ignore
+  for (const internalPath of require("module").globalPaths) {
+    try {
+      if (fs.statSync(path.join(internalPath, packageName)).isDirectory()) {
+        return true;
+      }
+    } catch (_error) {
+      // Nothing
+    }
+  }
+
   return false;
 };