CliftonH/index.html

## index.html
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
    <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'">
    <link href="./styles.css" rel="stylesheet">
    <title>Hello World!</title>
  </head>
  <body>

    <button id="parent_button">
      With Parent Window
    </button>
    <br />
    <button id="no_parent_button">
      No Parent Window
    </button>

    <!-- You can also require other files to run in this process -->
    <script src="./renderer.js"></script>
  </body>
</html>

## main.js
const {app, BrowserWindow, dialog, ipcMain} = require('electron')
const path = require('path')
let mainWindow

function createWindow () {
  mainWindow = new BrowserWindow({
    width: 800,
    height: 600,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js')
    }
  })

  mainWindow.loadFile('index.html')
}

function showDialog (_, shouldAttachToMainWindow) {
  const abortCtrl = new AbortController()
  setTimeout(() => abortCtrl.abort(), 3_000)

  const parentWindow = shouldAttachToMainWindow ? mainWindow : undefined

  dialog.showMessageBox(
    // On MacOS if parentWindow is undefined this will behave like showMessageBoxSync
    // and will ignore the abort signal. Windows will dismiss the dialog
    parentWindow,
    {
      message: 'This should dismiss in 3 seconds',
      signal: abortCtrl.signal
    }
  )
}

app.whenReady().then(() => {
  createWindow()

  app.on('activate', function () {
    if (BrowserWindow.getAllWindows().length === 0) createWindow()
  })

  ipcMain.on('show-dialog', showDialog)
})

app.on('window-all-closed', function () {
  if (process.platform !== 'darwin') app.quit()
})

## package.json
{
  "name": "therapeutic-garden-face-zac1g",
  "productName": "therapeutic-garden-face-zac1g",
  "description": "My Electron application description",
  "keywords": [],
  "main": "./main.js",
  "version": "1.0.0",
  "author": "chensley",
  "scripts": {
    "start": "electron ."
  },
  "dependencies": {},
  "devDependencies": {
    "electron": "30.0.2"
  }
}

## preload.js
const { contextBridge, ipcRenderer } = require('electron')

contextBridge.exposeInMainWorld('electronAPI', {
  showDialog: (hasParent) => ipcRenderer.send('show-dialog', hasParent)
})

## renderer.js
document.getElementById('parent_button').onclick = () => {
    window.electronAPI.showDialog(true)
}

document.getElementById('no_parent_button').onclick = () => {
    window.electronAPI.showDialog(false)
}

## styles.css
/* styles.css */

/* Add styles here to customize the appearance of your app */
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8">
	<!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
	<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'">
	<link href="./styles.css" rel="stylesheet">
	<title>Hello World!</title>
	</head>
	<body>

	<button id="parent_button">
	With Parent Window
	</button>
	<br />
	<button id="no_parent_button">
	No Parent Window
	</button>

	<!-- You can also require other files to run in this process -->
	<script src="./renderer.js"></script>
	</body>
	</html>
	const {app, BrowserWindow, dialog, ipcMain} = require('electron')
	const path = require('path')
	let mainWindow

	function createWindow () {
	mainWindow = new BrowserWindow({
	width: 800,
	height: 600,
	webPreferences: {
	preload: path.join(__dirname, 'preload.js')
	}
	})

	mainWindow.loadFile('index.html')
	}

	function showDialog (_, shouldAttachToMainWindow) {
	const abortCtrl = new AbortController()
	setTimeout(() => abortCtrl.abort(), 3_000)

	const parentWindow = shouldAttachToMainWindow ? mainWindow : undefined

	dialog.showMessageBox(
	// On MacOS if parentWindow is undefined this will behave like showMessageBoxSync
	// and will ignore the abort signal. Windows will dismiss the dialog
	parentWindow,
	{
	message: 'This should dismiss in 3 seconds',
	signal: abortCtrl.signal
	}
	)
	}

	app.whenReady().then(() => {
	createWindow()

	app.on('activate', function () {
	if (BrowserWindow.getAllWindows().length === 0) createWindow()
	})

	ipcMain.on('show-dialog', showDialog)
	})

	app.on('window-all-closed', function () {
	if (process.platform !== 'darwin') app.quit()
	})
	{
	"name": "therapeutic-garden-face-zac1g",
	"productName": "therapeutic-garden-face-zac1g",
	"description": "My Electron application description",
	"keywords": [],
	"main": "./main.js",
	"version": "1.0.0",
	"author": "chensley",
	"scripts": {
	"start": "electron ."
	},
	"dependencies": {},
	"devDependencies": {
	"electron": "30.0.2"
	}
	}
	const { contextBridge, ipcRenderer } = require('electron')

	contextBridge.exposeInMainWorld('electronAPI', {
	showDialog: (hasParent) => ipcRenderer.send('show-dialog', hasParent)
	})
	document.getElementById('parent_button').onclick = () => {
	window.electronAPI.showDialog(true)
	}

	document.getElementById('no_parent_button').onclick = () => {
	window.electronAPI.showDialog(false)
	}
	/* styles.css */

	/* Add styles here to customize the appearance of your app */