Show developer toolbar in menu

src/MenuTemplate.ts

@@ -1,4 +1,4 @@
-import { Menu, app } from 'electron'
+import { Menu, app, BrowserWindow, webContents } from 'electron'
 
 const applicationMenu = {
   label: 'Application',
@@ -10,6 +10,11 @@ const applicationMenu = {
     {
       type: 'separator' as 'separator',
     },
+    {
+      label: 'Dev Tools',
+      accelerator: 'CmdOrCtrl+Alt+I',
+      role: 'toggleDevTools',
+    },
     {
       label: 'Quit',
       accelerator: 'Command+Q',

src/electron.ts

@@ -27,6 +27,7 @@ function createWindow() {
     height: 700,
     webPreferences: {
       nodeIntegration: true,
+      devTools: true,
     },
     icon: iconPath,
   })