From 8a96854733732892aba66cd153e74d24f5e6bf95 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Thu, 11 Jul 2024 15:04:29 +0200
Subject: util.xtemplate: Fix error on applying each() to zero stanzas
---
teal-src/prosody/util/xtemplate.tl | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
(limited to 'teal-src')
diff --git a/teal-src/prosody/util/xtemplate.tl b/teal-src/prosody/util/xtemplate.tl
index 9b6b678b..84003051 100644
--- a/teal-src/prosody/util/xtemplate.tl
+++ b/teal-src/prosody/util/xtemplate.tl
@@ -54,7 +54,10 @@ local function render(template : string, root : st.stanza_t, escape : escape_t,
if tmpl then tmpl = s_sub(tmpl, 2, -2); end
if args then args = s_sub(args, 2, -2); end
- if func == "each" and tmpl and st.is_stanza(value) then
+ if func == "each" and tmpl then
+ if not st.is_stanza(value) then
+ return pre_blank..post_blank;
+ end
if not args then value, args = root, path; end
local ns, name = s_match(args, "^(%b{})(.*)$");
if ns then ns = s_sub(ns, 2, -2); else name, ns = args, nil; end
--
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