Refactor widget.js to remove unnecessary whitespace and improve code readability.

widget.js

@@ -523,7 +523,7 @@ const domCache = {
   documentElement: document.documentElement,
   images: null,
   lastImageUpdate: 0,
-  getImages: function() {
+  getImages: function () {
     const now = Date.now();
     if (!this.images || now - this.lastImageUpdate > 5000) {
       this.images = document.querySelectorAll('img');
@@ -1005,7 +1005,7 @@ const screenReader = {
           window.speechSynthesis.cancel();
           const speech = new SpeechSynthesisUtterance(content);
           speech.lang = 'en-US';
-          speech.onerror = function(event) {
+          speech.onerror = function (event) {
             console.warn('Speech synthesis error:', event.error);
           };
           window.speechSynthesis.speak(speech);
@@ -1029,7 +1029,7 @@ const screenReader = {
         document.addEventListener('focusin', screenReader.handleFocus);
         const feedbackSpeech = new SpeechSynthesisUtterance(WIDGET_CONFIG.lang.screenReaderOn);
         feedbackSpeech.lang = 'en-US';
-        feedbackSpeech.onerror = function(event) {
+        feedbackSpeech.onerror = function (event) {
           console.warn('Speech synthesis feedback error:', event.error);
         };
         window.speechSynthesis.speak(feedbackSpeech);
@@ -1038,7 +1038,7 @@ const screenReader = {
         window.speechSynthesis.cancel();
         const feedbackSpeech = new SpeechSynthesisUtterance(WIDGET_CONFIG.lang.screenReaderOff);
         feedbackSpeech.lang = 'en-US';
-        feedbackSpeech.onerror = function(event) {
+        feedbackSpeech.onerror = function (event) {
           console.warn('Speech synthesis feedback error:', event.error);
         };
         window.speechSynthesis.speak(feedbackSpeech);
@@ -1398,7 +1398,7 @@ const menuCache = {
   menu: null,
   button: null,
   closeButton: null,
-  init: function() {
+  init: function () {
     this.menu = document.getElementById('snn-accessibility-menu');
     this.button = document.getElementById('snn-accessibility-button');
     this.closeButton = this.menu?.querySelector('.snn-close');
@@ -1447,7 +1447,7 @@ function closeMenu() {
 let keyboardCache = {
   focusableElements: null,
   lastUpdate: 0,
-  getFocusableElements: function() {
+  getFocusableElements: function () {
     const now = Date.now();
     if (!this.focusableElements || now - this.lastUpdate > 1000) {
       if (menuCache.menu) {