fix: respect NODE_PATH env variable (#4581)

Author: snitin315

bin/webpack-dev-server.js

@@ -58,6 +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;
 };