glocore · December 6, 2022 10:15
diff --git a/index.html b/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>
    <h1>Hello World!</h1>
    We are using Node.js <span id="node-version"></span>,
    Chromium <span id="chrome-version"></span>,
    and Electron <span id="electron-version"></span>.

    <!-- You can also require other files to run in this process -->
    <script src="./renderer.js"></script>
  </body>
 </html>
diff --git a/main.js b/main.js
 // Modules to control application life and create native browser window
 const {app, BrowserWindow, utilityProcess, MessageChannelMain} = require('electron')
 const path = require('path')


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

  // and load the index.html of the app.
  mainWindow.loadFile('index.html')

  // Open the DevTools.
  mainWindow.webContents.openDevTools()

  const { port1, port2 } = new MessageChannelMain()

  mainWindow.once('ready-to-show', () => {
    mainWindow.webContents.postMessage('port', null, [port1])
  })

  const child = utilityProcess.fork(path.join(__dirname, 'test.js'))
  child.postMessage({ message: 'port' }, [port2])
 }

 // This method will be called when Electron has finished
 // initialization and is ready to create browser windows.
 // Some APIs can only be used after this event occurs.
 app.whenReady().then(() => {
  createWindow()

  app.on('activate', function () {
    // On macOS it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (BrowserWindow.getAllWindows().length === 0) createWindow()
  })
 })

 // Quit when all windows are closed, except on macOS. There, it's common
 // for applications and their menu bar to stay active until the user quits
 // explicitly with Cmd + Q.
 app.on('window-all-closed', function () {
  if (process.platform !== 'darwin') app.quit()
 })

 // In this file you can include the rest of your app's specific main process
 // code. You can also put them in separate files and require them here.
diff --git a/package.json b/package.json
 {
  "name": "coherent-veil-yawn-ljdsw",
  "productName": "coherent-veil-yawn-ljdsw",
  "description": "My Electron application description",
  "keywords": [],
  "main": "./main.js",
  "version": "1.0.0",
  "author": "ashwin",
  "scripts": {
    "start": "electron ."
  },
  "dependencies": {},
  "devDependencies": {
    "electron": "22.0.0"
  }
 }
diff --git a/preload.js b/preload.js
 /**
 * The preload script runs before. It has access to web APIs
 * as well as Electron's renderer process modules and some
 * polyfilled Node.js functions.
 * 
 * https://www.electronjs.org/docs/latest/tutorial/sandbox
 */
 window.addEventListener('DOMContentLoaded', () => {
  const replaceText = (selector, text) => {
    const element = document.getElementById(selector)
    if (element) element.innerText = text
  }

  for (const type of ['chrome', 'node', 'electron']) {
    replaceText(`${type}-version`, process.versions[type])
  }
 })

 const { ipcRenderer } = require('electron')

 ipcRenderer.on('port', e => {
  // port received, make it globally available.
  const [port] = e.ports

  console.log("Port received: ", port)

  port.onmessage = e => console.log("Message received: ", e)
  port.postMessage("ping")
 })
diff --git a/renderer.js b/renderer.js
 /**
 * This file is loaded via the <script> tag in the index.html file and will
 * be executed in the renderer process for that window. No Node.js APIs are
 * available in this process because `nodeIntegration` is turned off and
 * `contextIsolation` is turned on. Use the contextBridge API in `preload.js`
 * to expose Node.js functionality from the main process.
 */
diff --git a/styles.css b/styles.css
 /* styles.css */

 /* Add styles here to customize the appearance of your app */
diff --git a/test.js b/test.js
 process.parentPort.once('message', (e) => {
  const [port] = e.ports

  console.log("Port received: ", port);
  port.on("message", e => console.log("Message received: ", e))
  port.postMessage("pong")
  port.start()
 })
	<!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>
	<h1>Hello World!</h1>
	We are using Node.js <span id="node-version"></span>,
	Chromium <span id="chrome-version"></span>,
	and Electron <span id="electron-version"></span>.

	<!-- You can also require other files to run in this process -->
	<script src="./renderer.js"></script>
	</body>
	</html>
	// Modules to control application life and create native browser window
	const {app, BrowserWindow, utilityProcess, MessageChannelMain} = require('electron')
	const path = require('path')


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

	// and load the index.html of the app.
	mainWindow.loadFile('index.html')

	// Open the DevTools.
	mainWindow.webContents.openDevTools()

	const { port1, port2 } = new MessageChannelMain()

	mainWindow.once('ready-to-show', () => {
	mainWindow.webContents.postMessage('port', null, [port1])
	})

	const child = utilityProcess.fork(path.join(__dirname, 'test.js'))
	child.postMessage({ message: 'port' }, [port2])
	}

	// This method will be called when Electron has finished
	// initialization and is ready to create browser windows.
	// Some APIs can only be used after this event occurs.
	app.whenReady().then(() => {
	createWindow()

	app.on('activate', function () {
	// On macOS it's common to re-create a window in the app when the
	// dock icon is clicked and there are no other windows open.
	if (BrowserWindow.getAllWindows().length === 0) createWindow()
	})
	})

	// Quit when all windows are closed, except on macOS. There, it's common
	// for applications and their menu bar to stay active until the user quits
	// explicitly with Cmd + Q.
	app.on('window-all-closed', function () {
	if (process.platform !== 'darwin') app.quit()
	})

	// In this file you can include the rest of your app's specific main process
	// code. You can also put them in separate files and require them here.
	{
	"name": "coherent-veil-yawn-ljdsw",
	"productName": "coherent-veil-yawn-ljdsw",
	"description": "My Electron application description",
	"keywords": [],
	"main": "./main.js",
	"version": "1.0.0",
	"author": "ashwin",
	"scripts": {
	"start": "electron ."
	},
	"dependencies": {},
	"devDependencies": {
	"electron": "22.0.0"
	}
	}
	/**
	* The preload script runs before. It has access to web APIs
	* as well as Electron's renderer process modules and some
	* polyfilled Node.js functions.
	*
	* https://www.electronjs.org/docs/latest/tutorial/sandbox
	*/
	window.addEventListener('DOMContentLoaded', () => {
	const replaceText = (selector, text) => {
	const element = document.getElementById(selector)
	if (element) element.innerText = text
	}

	for (const type of ['chrome', 'node', 'electron']) {
	replaceText(`${type}-version`, process.versions[type])
	}
	})

	const { ipcRenderer } = require('electron')

	ipcRenderer.on('port', e => {
	// port received, make it globally available.
	const [port] = e.ports

	console.log("Port received: ", port)

	port.onmessage = e => console.log("Message received: ", e)
	port.postMessage("ping")
	})
	/**
	* This file is loaded via the <script> tag in the index.html file and will
	* be executed in the renderer process for that window. No Node.js APIs are
	* available in this process because `nodeIntegration` is turned off and
	* `contextIsolation` is turned on. Use the contextBridge API in `preload.js`
	* to expose Node.js functionality from the main process.
	*/
	/* styles.css */

	/* Add styles here to customize the appearance of your app */
	process.parentPort.once('message', (e) => {
	const [port] = e.ports

	console.log("Port received: ", port);
	port.on("message", e => console.log("Message received: ", e))
	port.postMessage("pong")
	port.start()
	})