1 files changed, 14 insertions, 15 deletions

diff --git a/client/simple/src/js/main/preferences.js b/client/simple/src/js/main/preferences.js
index a0b853d61..2760d589d 100644
--- a/client/simple/src/js/main/preferences.js
+++ b/client/simple/src/js/main/preferences.js
@@ -1,21 +1,20 @@
 /* SPDX-License-Identifier: AGPL-3.0-or-later */
-(function (w, d, searxng) {
-  'use strict';
-
-  if (searxng.endpoint !== 'preferences') {
+((w, d, searxng) => {
+  if (searxng.endpoint !== "preferences") {
     return;
   }
 
-  searxng.ready(function () {
+  searxng.ready(() => {
     let engine_descriptions = null;
-    function load_engine_descriptions () {
+
+    function load_engine_descriptions() {
       if (engine_descriptions == null) {
-        searxng.http("GET", "engine_descriptions.json").then(function (content) {
+        searxng.http("GET", "engine_descriptions.json").then((content) => {
           engine_descriptions = JSON.parse(content);
           for (const [engine_name, description] of Object.entries(engine_descriptions)) {
-            let elements = d.querySelectorAll('[data-engine-name="' + engine_name + '"] .engine-description');
+            const elements = d.querySelectorAll('[data-engine-name="' + engine_name + '"] .engine-description');
             for (const element of elements) {
-              let source = ' (<i>' + searxng.settings.translations.Source + ':&nbsp;' + description[1] + '</i>)';
+              const source = " (<i>" + searxng.settings.translations.Source + ":&nbsp;" + description[1] + "</i>)";
               element.innerHTML = description[0] + source;
             }
           }
@@ -23,13 +22,13 @@
       }
     }
 
-    for (const el of d.querySelectorAll('[data-engine-name]')) {
-      searxng.on(el, 'mouseenter', load_engine_descriptions);
+    for (const el of d.querySelectorAll("[data-engine-name]")) {
+      searxng.on(el, "mouseenter", load_engine_descriptions);
     }
 
     const enableAllEngines = d.querySelectorAll(".enable-all-engines");
     const disableAllEngines = d.querySelectorAll(".disable-all-engines");
-    const engineToggles = d.querySelectorAll('tbody input[type=checkbox][class~=checkbox-onoff]');
+    const engineToggles = d.querySelectorAll("tbody input[type=checkbox][class~=checkbox-onoff]");
     const toggleEngines = (enable) => {
       for (const el of engineToggles) {
         // check if element visible, so that only engines of the current category are modified
@@ -37,14 +36,14 @@
       }
     };
     for (const el of enableAllEngines) {
-      searxng.on(el, 'click', () => toggleEngines(true));
+      searxng.on(el, "click", () => toggleEngines(true));
     }
     for (const el of disableAllEngines) {
-      searxng.on(el, 'click', () => toggleEngines(false));
+      searxng.on(el, "click", () => toggleEngines(false));
     }
 
     const copyHashButton = d.querySelector("#copy-hash");
-    searxng.on(copyHashButton, 'click', (e) => {
+    searxng.on(copyHashButton, "click", (e) => {
       e.preventDefault();
       navigator.clipboard.writeText(copyHashButton.dataset.hash);
       copyHashButton.innerText = copyHashButton.dataset.copiedText;