inline #isArrayUtil, remove jQuery

.eslintrc.json

@@ -1,8 +1,7 @@
 {
     "env": {
         "browser": true,
-        "es6": true,
-	"jquery": true
+        "es6": true
     },
     "extends": [
         "standard"

assets/html/index.html

@@ -90,8 +90,6 @@
 		<span class="icon-code"></span> Powered by open source software - <a href="https://github.com/Cryptkeeper/Minetrack">make it your own!</a>
 	</footer>
 
-	<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.slim.min.js"></script>
-
 	<script src="../js/main.js" defer></script>
 
 </body>

assets/js/sort.js

@@ -1,5 +1,3 @@
-import { isArrayEqual } from './util'
-
 const SORT_OPTIONS = [
   {
     getName: () => 'Players',
@@ -164,9 +162,22 @@ export class SortController {
     // This avoids DOM updates and graphs being redrawn
     const sortedServerIds = sortedServers.map(server => server.serverId)
 
-    if (isArrayEqual(sortedServerIds, this._lastSortedServers)) {
+    if (this._lastSortedServers) {
+      let allMatch = true
+
+      // Test if the arrays have actually changed
+      // No need to length check, they are the same source data each time
+      for (let i = 0; i < sortedServerIds.length; i++) {
+        if (sortedServerIds[i] !== this._lastSortedServers[i]) {
+          allMatch = false
+          break
+        }
+      }
+
+      if (allMatch) {
         return
       }
+    }
 
     this._lastSortedServers = sortedServerIds
 
@@ -176,7 +187,10 @@ export class SortController {
 
     // Update the DOM structure
     sortedServers.forEach(function (serverRegistration) {
-      $('#container_' + serverRegistration.serverId).appendTo('#server-list')
+      const parentElement = document.getElementById('server-list')
+      const serverElement = document.getElementById('container_' + serverRegistration.serverId)
+
+      parentElement.appendChild(serverElement)
 
       // Set the ServerRegistration's rankIndex to its indexOf the normal sort
       serverRegistration.updateServerRankIndex(rankIndexSort.indexOf(serverRegistration))

assets/js/util.js

@@ -120,21 +120,6 @@ export function formatNumber (x) {
   return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',')
 }
 
-export function isArrayEqual (a, b) {
-  if (typeof a === 'undefined' || typeof a !== typeof b) {
-    return false
-  }
-  if (a.length !== b.length) {
-    return false
-  }
-  for (let i = 0; i < a.length; i++) {
-    if (a[i] !== b[i]) {
-      return false
-    }
-  }
-  return true
-}
-
 // From http://detectmobilebrowsers.com/
 export function isMobileBrowser () {
   var check = false;