From 9142ccbb87dc8de4f6dbc44b1fd9e96995b65537 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Wed, 26 Oct 2022 23:30:54 +0200
Subject: [PATCH] Fill size limit with group length when undefined

The size_limit can be evaluated as undefined because the attribute is set when
it is None on the server side.

issue11782
review424131003
(grafted from fed9fc5cfdfb69e30ab166b4a121c9a201e761fb)

--HG--
branch : 6.0
---
 src/view/form.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/view/form.js b/src/view/form.js
index c07b6913b0..509efafc92 100644
--- a/src/view/form.js
+++ b/src/view/form.js
@@ -3242,7 +3242,7 @@ function eval_pyson(value){
                     size_limit = record.expr_eval(this.attributes.size);
                 }
                 if (this._readonly) {
-                    if (size_limit === null) {
+                    if ((size_limit === null) || (size_limit === undefined)) {
                         size_limit = this.screen.group.length;
                     } else {
                         size_limit = Math.min(