removed deprecated tray API on macOS

app/main.js

@@ -1,4 +1,9 @@
-const { app, BrowserWindow, Tray, Menu } = require("electron");
+const {
+  app,
+  BrowserWindow,
+  Tray,
+  Menu
+} = require("electron");
 const gotTheLock = app.requestSingleInstanceLock();
 
 // Keep a global reference of the window object, if you don't, the window will
@@ -60,26 +65,25 @@ app.once("ready", () => {
   tray = new Tray("icon.ico");
 
   // Context Menu
-  const contextMenu = Menu.buildFromTemplate([
-    {
+  const contextMenu = Menu.buildFromTemplate([{
       label: "Show/Hide Desktop Messenger",
       accelerator: "CmdOrCtrl+Q",
-      click: function() {
+      click: function () {
         win.isVisible() ? win.hide() : win.show();
       }
     },
     {
       label: "Reload",
       accelerator: "CmdOrCtrl+R",
-      click: function() {
+      click: function () {
         win.reload();
       }
     },
     {
       label: "Clear Data/Logout",
       accelerator: "CmdOrCtrl+D",
-      click: function() {
-        win.webContents.session.clearStorageData(function() {
+      click: function () {
+        win.webContents.session.clearStorageData(function () {
           console.log("Data Cleaned");
         });
 
@@ -92,7 +96,7 @@ app.once("ready", () => {
     {
       label: "Quit",
       accelerator: "CmdOrCtrl+X",
-      click: function() {
+      click: function () {
         app.quit();
       }
     }
@@ -102,18 +106,10 @@ app.once("ready", () => {
     win.isVisible() ? win.hide() : win.show();
   });
 
-  tray.on("right-click", function() {
+  tray.on("right-click", function () {
     contextMenu();
   });
 
-  win.on("show", () => {
-    tray.setHighlightMode("always");
-  });
-
-  win.on("hide", () => {
-    tray.setHighlightMode("never");
-  });
-
   tray.setToolTip("Desktop Messenger");
   tray.setContextMenu(contextMenu);
 });
@@ -134,4 +130,4 @@ app.on("activate", () => {
     createWindow();
     win.focus();
   }
-});
+});