docs: handle opening links in the default browser in main.js (part #2) (#39473)

docs: handle opening links in the default browser in main.js

docs/fiddles/system/system-app-user-information/app-information/main.js

@@ -1,5 +1,34 @@
-const { app, ipcMain } = require('electron')
+const { app, BrowserWindow, ipcMain, shell } = require('electron')
 
-ipcMain.on('get-app-path', (event) => {
-  event.sender.send('got-app-path', app.getAppPath())
+let mainWindow = null
+
+ipcMain.handle('get-app-path', (event) => app.getAppPath())
+
+function createWindow () {
+  const windowOptions = {
+    width: 600,
+    height: 400,
+    title: 'Get app information',
+    webPreferences: {
+      contextIsolation: false,
+      nodeIntegration: true
+    }
+  }
+
+  mainWindow = new BrowserWindow(windowOptions)
+  mainWindow.loadFile('index.html')
+
+  mainWindow.on('closed', () => {
+    mainWindow = null
+  })
+
+  // Open external links in the default browser
+  mainWindow.webContents.on('will-navigate', (event, url) => {
+    event.preventDefault()
+    shell.openExternal(url)
+  })
+}
+
+app.whenReady().then(() => {
+  createWindow()
 })