Migrate appRouter to ES6

src/components/itemContextMenu.js

@@ -8,7 +8,6 @@ import browser from 'browser';
 import actionsheet from 'actionsheet';
 
 /* eslint-disable indent */
-
     export function getCommands(options) {
         const item = options.item;
         const user = options.user;
@@ -16,7 +15,7 @@ import actionsheet from 'actionsheet';
         const canPlay = playbackManager.canPlay(item);
         const restrictOptions = (browser.operaTv || browser.web0s) && !user.Policy.IsAdministrator;
 
-        let commands = [];
+        const commands = [];
 
         if (canPlay && item.MediaType !== 'Photo') {
             if (options.play !== false) {
@@ -367,7 +366,7 @@ import actionsheet from 'actionsheet';
                 case 'copy-stream': {
                     const downloadHref = apiClient.getItemDownloadUrl(itemId);
                     const textAreaCopy = function () {
-                        let textArea = document.createElement('textarea');
+                        const textArea = document.createElement('textarea');
                         textArea.value = downloadHref;
                         document.body.appendChild(textArea);
                         textArea.focus();