improve error handling

Author: alexcarpenter

packages/ui-cli/src/cli.js

@@ -19,6 +19,16 @@ export default function cli() {
 
     const url = new URL(`r/${packageName}.json`, 'https://clerk.com');
 
-    execSync(`npx -y shadcn@latest add ${url.toString()}`);
+    try {
+      execSync(`npx -y shadcn@latest add ${url.toString()}`, { stdio: 'inherit' });
+    } catch {
+      console.error(`\nError: Failed to add component "${packageName}"`);
+      console.error(`Could not fetch component from: ${url.toString()}`);
+      console.error('Please ensure:');
+      console.error('  - The component name is correct');
+      console.error('  - You have internet connectivity');
+      console.error('  - The component exists at the specified URL');
+      process.exit(1);
+    }
   }
 }