akash07k/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'"
    />
    <title>ContextBridge Demo</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>.

    <h2>Inter Process Communication Test</h2>
    <button id="SendSyncMsgBtn">Ping the main process</button>
    <p id="SyncReply">Chilling for response</p>

    <button id="SendAsyncMsgBtn">Ping the main process asynchronously</button>
    <p id="AsyncReply">Chilling for response</p>

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

## main.js
// Modules to control application life and create native browser window
const {app, BrowserWindow, ipcMain} = 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()
}

// 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.


## preload.js
// All of the Node.js APIs are available in the preload process.
// It has the same sandbox as a Chrome extension.

const { contextBridge, ipcRenderer } = require("electron");

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 functionToExpose = (message) => {
  console.log(message);
};

contextBridge.exposeInMainWorld("electrotest", {
  exposedFunction: (message) => {
    functionToExpose(message);
  },
});

## renderer.js
// This file is required by 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. Use `preload.js` to
// selectively enable features needed in the rendering
// process.

window.electrotest.exposedFunction("Hello from renderer process!");
	<!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'"
	/>
	<title>ContextBridge Demo</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>.

	<h2>Inter Process Communication Test</h2>
	<button id="SendSyncMsgBtn">Ping the main process</button>
	<p id="SyncReply">Chilling for response</p>

	<button id="SendAsyncMsgBtn">Ping the main process asynchronously</button>
	<p id="AsyncReply">Chilling for response</p>

	<!-- 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, ipcMain} = 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()
	}

	// 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.
	// All of the Node.js APIs are available in the preload process.
	// It has the same sandbox as a Chrome extension.

	const { contextBridge, ipcRenderer } = require("electron");

	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 functionToExpose = (message) => {
	console.log(message);
	};

	contextBridge.exposeInMainWorld("electrotest", {
	exposedFunction: (message) => {
	functionToExpose(message);
	},
	});
	// This file is required by 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. Use `preload.js` to
	// selectively enable features needed in the rendering
	// process.

	window.electrotest.exposedFunction("Hello from renderer process!");