From 5ca7695494424c7600e41a5d17d11dae7d2dcb56 Mon Sep 17 00:00:00 2001
From: Jean-Christian Denis <contact@jcdenis.fr>
Date: Mon, 24 Apr 2023 23:29:08 +0200
Subject: [PATCH] fix js warning

---
 js/backend.js | 26 +++++++++-----------------
 1 file changed, 9 insertions(+), 17 deletions(-)

diff --git a/js/backend.js b/js/backend.js
index 3634d53..9d35628 100644
--- a/js/backend.js
+++ b/js/backend.js
@@ -1,25 +1,17 @@
-/* -- BEGIN LICENSE BLOCK ----------------------------------
- *
- * This file is part of postExpired, a plugin for Dotclear 2.
- * 
- * Copyright (c) 2009-2013 Jean-Christian Denis and contributors
- * contact@jcdenis.fr http://jcd.lv
- * 
- * Licensed under the GPL version 2.0 license.
- * A copy of this license is available in LICENSE file or at
- * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
- *
- * -- END LICENSE BLOCK ------------------------------------*/
+/*global $, dotclear, datePicker */
+'use strict';
 
-$(function(){
+$(() => {
+  if (typeof datePicker === 'function') {
 	var post_pe_field=document.getElementById('post_expired_date');
 	if(post_pe_field!=undefined){
 		var post_pe_dtPick=new datePicker(post_pe_field);
 		post_pe_dtPick.img_top='1.5em';
 		post_pe_dtPick.draw();
 	}
-	$('#post_expired h4').toggleWithLegend(
-		$('#post_expired').children().not('h4'),
-		{cookie:'dcx_postexpired_admin_form_sidebar',legend_click:true}
-	);
+  }
+  $('#post_expired h4').toggleWithLegend(
+  	$('#post_expired').children().not('h4'),
+	{cookie:'dcx_postexpired_admin_form_sidebar',legend_click:true}
+  );
 });
\ No newline at end of file