Preparation in js scripts of adding skin switching on UI

- docRot and cookie handling is moded to the new skin hanling part
Signed-off-by: Hofi <hofione@gmail.com>

Author: HofiOne

_js/custom/navigation.js

@@ -3,8 +3,6 @@
    ========================================================================== */
 
 $(function () {
-  // FIXME: How to get the real base URL (without using Liquid and Front Matter) ?!?!
-  const docRoot = '';
   const notFoundPageName = '404.html';
   const contentID = 'article';
 
@@ -175,7 +173,7 @@ $(function () {
       error => {
         if (error == "Error: 404") {
           var baseURL = window.location.origin;
-          var notFoundURL = baseURL + '/' + (docRoot != '' ? docRoot + '/' : '') + notFoundPageName;
+          var notFoundURL = baseURL + '/' + docPrefix() + notFoundPageName;
 
           updateContentFromUrl(notFoundURL);
         }
@@ -467,7 +465,7 @@ $(function () {
   }
 
   function shouldHideTooltip(activeTarget) {
-    return ((tooltipTarget == null || activeTarget != tooltipTarget) && (tooltip == null || (activeTarget != tooltip && activeTarget.closest('.tooltip') == null)));
+    return ((tooltipTarget == null || activeTarget != tooltipTarget) && (tooltip == null || (activeTarget != tooltip && activeTarget != null && activeTarget.closest('.tooltip') == null)));
   }
 
   function hideTooltip(withDelay) {
@@ -563,7 +561,7 @@ $(function () {
       }
     });
 
-    document.addEventListener("mouseover", function (event) {
+    document.addEventListener('mouseover', function (event) {
       elementUnderCursor = event.target;
     });
 
@@ -601,7 +599,7 @@ $(function () {
   // -------------
 
   // Close search screen with Esc key or toggle with predefined hotKey
-  $(document).on("keyup", function (event) {
+  $(document).on('keyup', function (event) {
     // Define the desired hotkey (in this case, Ctrl + Shift + F)
     var searchHotkey = { ctrlKey: true, shiftKey: true, key: 'F' };
 
@@ -637,7 +635,7 @@ $(function () {
       hideTooltip(true);
   }
 
-  $(".search__toggle").on("click", toggleSearch);
+  $(".search__toggle").on('click', toggleSearch);
 
   // -------------
   // Startup

_js/lunr/lunr-en.js

@@ -30,35 +30,6 @@ function removeExtension(url) {
   return url; // If no extension found, return the original URL
 }
 
-// Function to set a cookie
-function setCookie(name, value, days) {
-  var expires = "";
-  if (days) {
-    var date = new Date();
-    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
-    expires = "; expires=" + date.toUTCString();
-  }
-  document.cookie = name + "=" + (value || "") + expires + "; path=/; SameSite=Strict";
-}
-
-// Function to get a cookie value
-function getCookie(name) {
-  var nameEQ = name + "=";
-  var ca = document.cookie.split(';');
-  for (var i = 0; i < ca.length; i++) {
-    var c = ca[i];
-    while (c.charAt(0) == ' ') {
-      c = c.substring(1, c.length);
-    }
-    if (c.indexOf(nameEQ) == 0) {
-      return c.substring(nameEQ.length, c.length);
-    }
-  }
-  return null;
-}
-
-
-
 $(document).ready(function() {
 
   // Function to restore input field value from cookie
@@ -74,7 +45,7 @@ $(document).ready(function() {
   // Function to save input field value to cookie
   function saveInputValue() {
     var searchInput = document.getElementById('search');
-    setCookie('search', searchInput.value, 365);
+    setCookie('search', searchInput.value, 365*100);
   }
 
   function onKeyUp() {

_js/main.min.js

@@ -8453,7 +8453,6 @@ $(function() {
 });
 
 $(function() {
-    const docRoot = "";
     const notFoundPageName = "404.html";
     const contentID = "article";
     function trimCharFromString(str, char) {
@@ -8553,7 +8552,7 @@ $(function() {
         }, error => {
             if (error == "Error: 404") {
                 var baseURL = window.location.origin;
-                var notFoundURL = baseURL + "/" + (docRoot != "" ? docRoot + "/" : "") + notFoundPageName;
+                var notFoundURL = baseURL + "/" + docPrefix() + notFoundPageName;
                 updateContentFromUrl(notFoundURL);
             } else {
                 currContent.innerHTML = "<h3>Sorry, there was a problem loading the content!</h3>(" + error + ")";
@@ -8724,7 +8723,7 @@ $(function() {
         }, 100);
     }
     function shouldHideTooltip(activeTarget) {
-        return (tooltipTarget == null || activeTarget != tooltipTarget) && (tooltip == null || activeTarget != tooltip && activeTarget.closest(".tooltip") == null);
+        return (tooltipTarget == null || activeTarget != tooltipTarget) && (tooltip == null || activeTarget != tooltip && activeTarget != null && activeTarget.closest(".tooltip") == null);
     }
     function hideTooltip(withDelay) {
         function doHideTooltip() {