run eslint to fix most var instances

src/controllers/dashboard/logs.js

@@ -9,21 +9,21 @@ import 'flexStyles';
     export default function(view, params) {
         view.addEventListener('viewbeforeshow', function() {
             loading.show();
-            var apiClient = ApiClient;
+            const apiClient = ApiClient;
             apiClient.getJSON(apiClient.getUrl('System/Logs')).then(function(logs) {
-                var html = '';
+                let html = '';
                 html += '<div class="paperList">';
                 html += logs.map(function(log) {
-                    var logUrl = apiClient.getUrl('System/Logs/Log', {
+                    let logUrl = apiClient.getUrl('System/Logs/Log', {
                         name: log.Name
                     });
                     logUrl += '&api_key=' + apiClient.accessToken();
-                    var logHtml = '';
+                    let logHtml = '';
                     logHtml += '<a is="emby-linkbutton" href="' + logUrl + '" target="_blank" class="listItem listItem-border" style="color:inherit;">';
                     logHtml += '<div class="listItemBody two-line">';
                     logHtml += "<h3 class='listItemBodyText'>" + log.Name + '</h3>';
-                    var date = datetime.parseISO8601Date(log.DateModified, true);
-                    var text = datetime.toLocaleDateString(date);
+                    const date = datetime.parseISO8601Date(log.DateModified, true);
+                    let text = datetime.toLocaleDateString(date);
                     text += ' ' + datetime.getDisplayTime(date);
                     logHtml += '<div class="listItemBodyText secondary">' + text + '</div>';
                     logHtml += '</div>';

src/controllers/dashboard/plugins/repositories/index.js

@@ -42,10 +42,10 @@ function saveList(page) {
 }
 
 function populateList(options) {
-    var html = '';
+    let html = '';
 
     html += '<div class="paperList">';
-    for (var i = 0; i < options.repositories.length; i++) {
+    for (let i = 0; i < options.repositories.length; i++) {
         html += getRepositoryHtml(options.repositories[i]);
     }
 
@@ -59,7 +59,7 @@ function populateList(options) {
 }
 
 function getRepositoryHtml(repository) {
-    var html = '';
+    let html = '';
 
     html += '<div class="listItem listItem-border">';
     html += `<a is="emby-linkbutton" style="margin:0;padding:0" class="clearLink listItemIconContainer" href="${repository.Url}">`;
@@ -93,9 +93,9 @@ export default function(view, params) {
         libraryMenu.setTabs('plugins', 2, getTabs);
         reloadList(this);
 
-        var save = this;
+        const save = this;
         $('#repositories', view).on('click', '.btnDelete', function() {
-            var button = this;
+            const button = this;
             repositories = repositories.filter(function (r) {
                 return r.Url !== button.id;
             });

src/controllers/edititemmetadata.js

@@ -20,7 +20,7 @@ export default function (view, params) {
     });
     MetadataEditor.setCurrentItemId(null);
     view.querySelector('.libraryTree').addEventListener('itemclicked', function (event) {
-        var data = event.detail;
+        const data = event.detail;
 
         if (data.id != MetadataEditor.getCurrentItemId()) {
             MetadataEditor.setCurrentItemId(data.id);

src/controllers/movies/moviesrecommended.js

@@ -395,7 +395,7 @@ import 'emby-button';
         view.addEventListener('viewshow', function (e) {
             initTabs();
             if (!view.getAttribute('data-title')) {
-                var parentId = params.topParentId;
+                const parentId = params.topParentId;
 
                 if (parentId) {
                     ApiClient.getItem(ApiClient.getCurrentUserId(), parentId).then(function (item) {

src/controllers/music/musicrecommended.js

@@ -56,7 +56,7 @@ import 'flexStyles';
             EnableTotalRecordCount: false
         };
         ApiClient.getJSON(ApiClient.getUrl('Users/' + userId + '/Items/Latest', options)).then(function (items) {
-            var elem = page.querySelector('#recentlyAddedSongs');
+            const elem = page.querySelector('#recentlyAddedSongs');
             elem.innerHTML = cardBuilder.getCardsHtml({
                 items: items,
                 showUnplayedIndicator: false,
@@ -103,7 +103,7 @@ import 'flexStyles';
                 elem.classList.add('hide');
             }
 
-            var itemsContainer = elem.querySelector('.itemsContainer');
+            const itemsContainer = elem.querySelector('.itemsContainer');
             itemsContainer.innerHTML = cardBuilder.getCardsHtml({
                 items: result.Items,
                 showUnplayedIndicator: false,
@@ -145,7 +145,7 @@ import 'flexStyles';
                 elem.classList.add('hide');
             }
 
-            var itemsContainer = elem.querySelector('.itemsContainer');
+            const itemsContainer = elem.querySelector('.itemsContainer');
             itemsContainer.innerHTML = cardBuilder.getCardsHtml({
                 items: result.Items,
                 showUnplayedIndicator: false,

src/controllers/session/login/index.js

@@ -16,7 +16,7 @@ import 'emby-checkbox';
     function authenticateUserByName(page, apiClient, username, password) {
         loading.show();
         apiClient.authenticateUserByName(username, password).then(function (result) {
-            var user = result.User;
+            const user = result.User;
             loading.hide();
 
             onLoginSuccessful(user.Id, result.AccessToken, apiClient);