fix(test): improve broken symlink handling in path-resolve test

Enhanced cleanupBrokenSymlinks() function and added error handling
around mockFs.load() to gracefully handle broken symlinks in node_modules.

Author: jdalton

src/utils/path-resolve.test.mts

@@ -35,9 +35,23 @@ function cleanupBrokenSymlinks(dirPath: string): void {
     for (const entry of entries) {
       const fullPath = path.join(dirPath, entry.name)
       try {
-        if (entry.isSymbolicLink() && !existsSync(fullPath)) {
-          // Symlink exists but target does not, remove it.
-          rmSync(fullPath, { force: true })
+        if (entry.isSymbolicLink()) {
+          // Check if symlink target exists.
+          try {
+            lstatSync(fullPath)
+            // Symlink itself exists, now check if target exists.
+            if (!existsSync(fullPath)) {
+              // Symlink exists but target does not, remove it.
+              rmSync(fullPath, { force: true })
+            }
+          } catch {
+            // If lstat fails, the symlink is broken, try to remove it.
+            try {
+              rmSync(fullPath, { force: true })
+            } catch {
+              // Ignore removal errors.
+            }
+          }
         } else if (entry.isDirectory()) {
           // Recursively check subdirectories.
           cleanupBrokenSymlinks(fullPath)
@@ -54,7 +68,18 @@ function cleanupBrokenSymlinks(dirPath: string): void {
 // Clean up broken symlinks before loading node_modules.
 cleanupBrokenSymlinks(rootNmPath)
 
-const mockedNmCallback = mockFs.load(rootNmPath)
+// Load node_modules with error handling for any remaining issues.
+const mockedNmCallback = (() => {
+  try {
+    return mockFs.load(rootNmPath)
+  } catch (e) {
+    // If loading fails due to broken symlinks or missing files, return empty mock.
+    console.warn(
+      `Warning: Failed to load node_modules for mock-fs: ${e instanceof Error ? e.message : String(e)}`,
+    )
+    return {}
+  }
+})()
 
 function mockTestFs(config: FileSystem.DirectoryItems) {
   return mockFs({