From 0578b5c4908ef2cf4f7ea24c0e7b7fb62cb65af7 Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Thu, 27 Mar 2025 10:11:35 +0100
Subject: [PATCH] JS: Add 'use strict'

---
 adminer/static/editing.js   | 2 +-
 adminer/static/functions.js | 1 +
 compile.php                 | 5 +++++
 editor/static/editing.js    | 2 +-
 4 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/adminer/static/editing.js b/adminer/static/editing.js
index 3a17c624..847f1d45 100644
--- a/adminer/static/editing.js
+++ b/adminer/static/editing.js
@@ -1,4 +1,4 @@
-// Adminer specific functions
+'use strict'; // Adminer specific functions
 
 /** Load syntax highlighting
 * @param string first three characters of database system version
diff --git a/adminer/static/functions.js b/adminer/static/functions.js
index bad2321c..c2aa419b 100644
--- a/adminer/static/functions.js
+++ b/adminer/static/functions.js
@@ -1,3 +1,4 @@
+'use strict';
 
 /** Get first element by selector
 * @param string
diff --git a/compile.php b/compile.php
index 7a8ac85c..64cd48fa 100755
--- a/compile.php
+++ b/compile.php
@@ -213,6 +213,11 @@ function minify_css($file) {
 }
 
 function minify_js($file) {
+	$file = preg_replace_callback("~'use strict';~", function ($match) { // keep only the first one
+		static $count = 0;
+		$count++;
+		return ($count == 1 ? $match[0] : '');
+	}, $file);
 	if (function_exists('jsShrink')) {
 		$file = jsShrink($file);
 	}
diff --git a/editor/static/editing.js b/editor/static/editing.js
index c7dcdcfd..5533c5ac 100644
--- a/editor/static/editing.js
+++ b/editor/static/editing.js
@@ -1,4 +1,4 @@
-// Editor specific functions
+'use strict'; // Editor specific functions
 
 function messagesPrint() {
 }