Emit error cause when fetching fails to download API types

Author: JohnnyMorganz

CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - The language server now supports cancellation notifications from the client. This should help in cases where the
   server is stuck waiting for typechecking to complete.
+- Emit error cause when fetching fails to download API types
 
 ### Changed
 

editors/code/src/roblox.ts

@@ -93,7 +93,7 @@ const downloadApiDefinitions = async (context: vscode.ExtensionContext) => {
           ),
       ]).catch((err) =>
         vscode.window.showErrorMessage(
-          "Failed to retrieve API information: " + err,
+          `Failed to retrieve API information: ${err}, cause: ${err.cause}`,
         ),
       );
     },