From 622dc356fa242a0961d4cf47a909da879a2f794c Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Mon, 4 Dec 2023 15:15:48 -0300
Subject: [PATCH] fix unique() for empty slices.

---
 utils.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/utils.go b/utils.go
index 47de7ca..960a2a5 100644
--- a/utils.go
+++ b/utils.go
@@ -392,6 +392,10 @@ func previewNotesFormatting(input string) string {
 }
 
 func unique(strSlice []string) []string {
+	if len(strSlice) == 0 {
+		return strSlice
+	}
+
 	slices.Sort(strSlice)
 	j := 0
 	for i := 1; i < len(strSlice); i++ {