Website: remove emoji in the handbook on windows (#13683)

Closes: #13222

Changes:
- Updated the handbook page script to remove emoji for users browsing
the handbook on a windows device.

---------

Co-authored-by: Mike Thomas <78363703+mike-j-thomas@users.noreply.github.com>

website/assets/.eslintrc

@@ -26,7 +26,7 @@
   },
 
   "parserOptions": {
-    "ecmaVersion": 8
+    "ecmaVersion": 2018
     //^ If you are not using a transpiler like Babel, change this to `5`.
   },
 

website/assets/js/pages/handbook/basic-handbook.page.js

@@ -8,7 +8,8 @@ parasails.registerPage('basic-handbook', {
     breadcrumbs: [],
     subtopics: [],
     handbookIndexLinks: [],
-
+    hideEmojisOnPage: false,
+    regexToMatchEmoji: /(?:[\u00A9\u00AE\u203C\u2049\u2122\u2139\u2194-\u21AA\u2300-\u23FF\u2460-\u24FF\u25AA-\u25FE\u2600-\u26FF\u2700-\u27BF\u2900-\u297F\u2934-\u2935\u2B05-\u2B07\u2B1B-\u2B1C\u2B50\u2B55\u3030\u303D\u3297\u3299]|\uD83C[\uDC04\uDCCF\uDD70-\uDD71\uDD7E-\uDD7F\uDE00-\uDE02\uDE1A\uDE2F\uDE30-\uDE39\uDE3A-\uDE3F\uDE50-\uDE51\uDF00-\uDF21\uDF24-\uDF93\uDF96-\uDF97\uDF99-\uDFF0\uDFF3-\uDFF5\uDFF7-\uDFFF]|\uD83D[\uDC00-\uDDFF\uDE00-\uDE4F\uDE80-\uDEFF\uDFE0-\uDFFF]|\uD83E[\uDD0D-\uDDFF\uDE00-\uDEFF])\s{0,1}/g
   },
 
   //  ╦  ╦╔═╗╔═╗╔═╗╦ ╦╔═╗╦  ╔═╗
@@ -19,11 +20,17 @@ parasails.registerPage('basic-handbook', {
       this.isHandbookLandingPage = true;
     }
     this.breadcrumbs = _.trim(this.thisPage.url, /\//).split(/\//);
-
   },
 
   mounted: async function() {
-
+    // If the user is on a windows device, hide emojis in the handbook.
+    if(typeof bowser !== 'undefined' && bowser.windows) {
+      this.hideEmojisOnPage = true;
+      if(!this.isHandbookLandingPage){
+        this.thisPage.title = this.thisPage.title.replace(this.regexToMatchEmoji, '');
+        this._removeEmojiFromThisPage();
+      }
+    }
     // Adding a scroll event listener for scrolling sidebars and showing the back to top button.
     window.addEventListener('scroll', this.handleScrollingInHandbook);
 
@@ -58,8 +65,12 @@ parasails.registerPage('basic-handbook', {
       let handbookPages = [];
       for (let page of this.markdownPages) {
         if(_.startsWith(page.url, '/handbook') && !page.title.match(/^readme\.md$/i) && page.sectionRelativeRepoPath.match(/readme\.md$/i)) {
+          let pageTitle = page.title;
+          if(this.hideEmojisOnPage){
+            pageTitle = pageTitle.replace(this.regexToMatchEmoji, '');
+          }
           let handbookPage = {
-            pageTitle: page.title,
+            pageTitle: pageTitle,
             url: page.url,
             pageLinks: page.linksForHandbookIndex,
           };
@@ -70,7 +81,7 @@ parasails.registerPage('basic-handbook', {
       this.handbookIndexLinks = _.sortBy(handbookPages, 'url');
       // Sorting the company page to the top of the list, and the handbook page to the bottom
       this.handbookIndexLinks.sort((a)=>{
-        if(a.pageTitle === '🔭 Company') {
+        if(_.endsWith(a.pageTitle, 'Company')) {
           return -1;
         } else {
           return 0;
@@ -89,7 +100,7 @@ parasails.registerPage('basic-handbook', {
         // Removing all apostrophes from the title to keep  _.kebabCase() from turning words like 'user’s' into 'user-s'
         let kebabCaseFriendlyTitle = title.replace(/[\’\']/g, '');
         return {
-          title: title.replace(/([\uE000-\uF8FF]|\uD83C[\uDF00-\uDFFF]|\uD83D[\uDC00-\uDDFF])/g, ''), // take out any emojis (they look weird in the menu)
+          title: title.replace(this.regexToMatchEmoji, ''), // take out any emojis (they look weird in the menu)
           url: '#' + _.kebabCase(kebabCaseFriendlyTitle.toLowerCase()),
         };
       });
@@ -130,6 +141,14 @@ parasails.registerPage('basic-handbook', {
 
       this.scrollDistance = scrollTop;
     },
+    _removeEmojiFromThisPage: function() {
+      $('#body-content').html(
+        $('#body-content').html()
+        .replace(/✅/g, '✓')// Replace green checkmarks with unicode checkmarks
+        .replace(/❌/g, '✗')// Replace red crosses with unicode crosses
+        .replace(this.regexToMatchEmoji, '')// Remove all other emoji
+      );
+    },
     clickScrollToTop: function() {
       window.scrollTo({
         top: 0,