Address comments

Author: minggangw

lib/interface_loader.js

@@ -90,11 +90,38 @@ let interfaceLoader = {
     return pkg;
   },
 
+  _isRos2InstallationPath(pkgPath) {
+    // Use "which ros2" to dynamically find the ROS2 installation root
+    try {
+      const whichResult = require('child_process').spawnSync(
+        'which',
+        ['ros2'],
+        {
+          encoding: 'utf8',
+          timeout: 5000,
+        }
+      );
+
+      if (whichResult.status === 0 && whichResult.stdout) {
+        const ros2BinPath = whichResult.stdout.trim();
+        // Get the ROS2 installation root (typically /opt/ros/<distro> or similar)
+        const ros2Root = path.dirname(path.dirname(ros2BinPath));
+
+        return pkgPath.includes(ros2Root);
+      }
+    } catch (err) {
+      // If "which ros2" fails, fall back to hardcoded check
+      return pkgPath.includes('ros2-linux');
+    }
+
+    return false;
+  },
+
   _searchAndGenerateInterface(packageName, type, messageName, filePath) {
     // Check if it's a valid package
     for (const pkgPath of generator.getInstalledPackagePaths()) {
-      // We are going to ignore the path ROS2 installed.
-      if (pkgPath.includes('ros2-linux')) {
+      // We are going to ignore the path where ROS2 is installed.
+      if (this._isRos2InstallationPath(pkgPath)) {
         continue;
       }