Fix export error handling and deprecated API usage

Author: web-flow

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 All notable changes to the Go Memory Layout Visualizer extension will be documented in this file.
 
+## [0.2.1] - 2025-11-26
+
+### Fixed
+
+- Added error handling for file export operations
+- Fixed deprecated `workspace.rootPath` usage, now uses `workspaceFolders`
+- Export success message no longer exposes full file path
+
 ## [0.2.0] - 2025-11-23
 
 ### Added

package.json

@@ -2,7 +2,7 @@
   "name": "go-memory-visualizer",
   "displayName": "Go Memory Layout Visualizer",
   "description": "Real-time visualization of Go struct memory layout, padding, and alignment with optimization suggestions",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "publisher": "RhinoSoftware",
   "author": {
     "name": "RhinoSoftware"

src/extension.ts

@@ -323,16 +323,22 @@ async function exportLayoutCommand(parser: GoParser) {
   }
 
   const defaultFileName = `memory-layout-${currentArch}-${Date.now()}.${extension}`;
+  const workspaceFolder = vscode.workspace.workspaceFolders?.[0]?.uri.fsPath || '';
+  
   const uri = await vscode.window.showSaveDialog({
-    defaultUri: vscode.Uri.file(path.join(vscode.workspace.rootPath || '', defaultFileName)),
+    defaultUri: vscode.Uri.file(path.join(workspaceFolder, defaultFileName)),
     filters: {
-      [format]: [extension]
+      'Memory Layout': [extension]
     }
   });
 
   if (uri) {
-    fs.writeFileSync(uri.fsPath, content);
-    vscode.window.showInformationMessage(`Memory layout exported to ${uri.fsPath}`);
+    try {
+      fs.writeFileSync(uri.fsPath, content);
+      vscode.window.showInformationMessage(`Memory layout exported successfully`);
+    } catch (error) {
+      vscode.window.showErrorMessage(`Export failed: ${(error as Error).message}`);
+    }
   }
 }