MaximKalinin/index.html

## index.html
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <link href="./styles.css" rel="stylesheet">
    <title>Hello World!</title>
  </head>
  <body>
    <!-- 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, desktopCapturer } = require('electron')
const path = require('node: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')

  mainWindow.webContents.openDevTools({ mode: 'detach' })

  // 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(() => {
  ipcMain.handle('getSources', () => {
    return desktopCapturer.getSources({
      types: ['screen', 'window'],
      thumbnailSize: {
        width: 235,
        height: 132,
      },
      fetchWindowIcons: true,
    }).then(sources => {
      console.log(sources[0]);
      return sources.map(source => ({
        ...source,
        thumbnail: source.thumbnail.toDataURL(),
      }));
    })
  });
  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.

## package.json
{
  "name": "creepy-perspective-file-j0zwu",
  "productName": "creepy-perspective-file-j0zwu",
  "description": "My Electron application description",
  "keywords": [],
  "main": "./main.js",
  "version": "1.0.0",
  "author": "test",
  "scripts": {
    "start": "electron ."
  },
  "dependencies": {},
  "devDependencies": {
    "electron": "29.0.1"
  }
}

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

contextBridge.exposeInMainWorld('electron', {
  getSources() {
    return ipcRenderer.invoke('getSources');
  }
})

## 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.
 */
window.electron.getSources().then(sources => {
  sources.forEach(source => {
    const img = document.createElement('img');
    img.src = source.thumbnail;
    document.body.appendChild(img);
  })
})

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

/* Add styles here to customize the appearance of your app */
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8">
	<link href="./styles.css" rel="stylesheet">
	<title>Hello World!</title>
	</head>
	<body>
	<!-- 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, desktopCapturer } = require('electron')
	const path = require('node: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')

	mainWindow.webContents.openDevTools({ mode: 'detach' })

	// 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(() => {
	ipcMain.handle('getSources', () => {
	return desktopCapturer.getSources({
	types: ['screen', 'window'],
	thumbnailSize: {
	width: 235,
	height: 132,
	},
	fetchWindowIcons: true,
	}).then(sources => {
	console.log(sources[0]);
	return sources.map(source => ({
	...source,
	thumbnail: source.thumbnail.toDataURL(),
	}));
	})
	});
	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": "creepy-perspective-file-j0zwu",
	"productName": "creepy-perspective-file-j0zwu",
	"description": "My Electron application description",
	"keywords": [],
	"main": "./main.js",
	"version": "1.0.0",
	"author": "test",
	"scripts": {
	"start": "electron ."
	},
	"dependencies": {},
	"devDependencies": {
	"electron": "29.0.1"
	}
	}
	const { contextBridge, ipcRenderer } = require('electron');

	contextBridge.exposeInMainWorld('electron', {
	getSources() {
	return ipcRenderer.invoke('getSources');
	}
	})
	/**
	* 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.
	*/
	window.electron.getSources().then(sources => {
	sources.forEach(source => {
	const img = document.createElement('img');
	img.src = source.thumbnail;
	document.body.appendChild(img);
	})
	})
	/* styles.css */

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