Merge pull request #71 from aminya/package_symbolic_link

Author: aminya

src/package-manager.js

@@ -419,9 +419,16 @@ module.exports = class PackageManager {
 
     for (const packageDirPath of this.packageDirPaths) {
       if (fs.isDirectorySync(packageDirPath)) {
+        // checks for directories.
+        // dirent is faster, but for checking symbolic link we need stat.
         const packageNames = fs
           .readdirSync(packageDirPath, { withFileTypes: true })
-          .filter(dirent => dirent.isDirectory())
+          .filter(
+            dirent =>
+              dirent.isDirectory() ||
+              (dirent.isSymbolicLink() &&
+                fs.isDirectorySync(path.join(packageDirPath, dirent.name)))
+          )
           .map(dirent => dirent.name);
 
         for (const packageName of packageNames) {