update

test/test.certmatcher.ts

@@ -18,4 +18,12 @@ tap.test('should return undefined for deeper domain', async () => {
   expect(result).toEqual(undefined);
 });
 
+// Wildcard domain handling
+tap.test('should strip wildcard prefix and return base domain', async () => {
+  const matcher = new SmartacmeCertMatcher();
+  expect(matcher.getCertificateDomainNameByDomainName('*.example.com')).toEqual('example.com');
+  expect(matcher.getCertificateDomainNameByDomainName('*.sub.example.com')).toEqual('sub.example.com');
+  expect(matcher.getCertificateDomainNameByDomainName('*.a.b.example.com')).toEqual('a.b.example.com');
+});
+
 export default tap.start();