From 4b38af88a43684089058fb6a73bc3165d233b1ba Mon Sep 17 00:00:00 2001
From: Matthew Rich <matthewrich.conf@gmail.com>
Date: Thu, 19 Sep 2024 07:59:38 +0000
Subject: [PATCH] add base URL parsing

---
 internal/identifier/id.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/internal/identifier/id.go b/internal/identifier/id.go
index e5888a9..c08bbcf 100644
--- a/internal/identifier/id.go
+++ b/internal/identifier/id.go
@@ -41,3 +41,6 @@ func (i ID) Extension() (exttype string, fileext string) {
 	return exttype, fileext
 }
 
+func (i ID) IsEmpty() bool {
+	return i == ""
+}