From c35e2fdd9a1f5bf2a611414783e8576d27ae6d03 Mon Sep 17 00:00:00 2001
From: xdrm-brackets <adrien.marques@viveris.fr>
Date: Tue, 18 May 2021 17:45:07 +0200
Subject: [PATCH] fix: do not use optional (nil) inputs for dynamic scope

---
 handler.go | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/handler.go b/handler.go
index a4a3af1..87ce076 100644
--- a/handler.go
+++ b/handler.go
@@ -59,11 +59,14 @@ func (s Handler) resolve(w http.ResponseWriter, r *http.Request) {
 		for b, perm := range list {
 			scope[a][b] = perm
 			for name, value := range input.Data {
-				scope[a][b] = strings.ReplaceAll(
-					scope[a][b],
-					fmt.Sprintf("[%s]", name),
-					fmt.Sprintf("[%v]", value),
+				var (
+					token       = fmt.Sprintf("[%s]", name)
+					replacement = ""
 				)
+				if value != nil {
+					replacement = fmt.Sprintf("[%v]", value)
+				}
+				scope[a][b] = strings.ReplaceAll(scope[a][b], token, replacement)
 			}
 		}
 	}