oalfroukh/index.html

## index.html
<!DOCTYPE html>
<html>

<body>
    <div id="container">
    </div>
    <script>
        const container = document.getElementById("container");

        const arrays = [];

        let count = 0;
        const idleCallback = () =>{
          console.log("idleCallback");
            container.innerHTML = count++;
            try {
                const a = new Uint8Array(1000*1024*1024)
                a.fill(12)
                arrays.push(a)
                window.requestIdleCallback(idleCallback)
            } catch (error) {
              console.error("errr",error)
                container.innerHTML = `${arrays.reduce((acc, cur)=> acc + cur.byteLength, 0)/1024/1024/1024} GB at ${--count}`

            }
        }
        window.requestIdleCallback(idleCallback)


        const arrays1 = [];
        // while (true){
          setInterval( () => {
        console.log("while");
          const a = new Uint8Array(1000*1024*1024)
                a.fill(12)
                arrays1.push(a)
                console.log(`${arrays1.reduce((acc, cur)=> acc + cur.byteLength, 0)/1024/1024/1024} GB`);
          },10);

        // }

    </script>
</body>

</html>

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

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

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

  // Open the DevTools.
  mainWindow.webContents.openDevTools({ mode: "undocked", activate: true });
}
// app.commandLine.appendSwitch("disable-gpu");
// app.commandLine.appendSwitch("in-process-gpu");
// app.commandLine.appendSwitch("disable-software-rasterizer");
app.commandLine.appendSwitch("no-sandbox");
// app.commandLine.appendSwitch("disable-gpu-sandbox");
// app.commandLine.appendSwitch('js-flags', '--max-old-space-size=3596');
// 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.


## package.json
{
  "name": "loadMemory",
  "productName": "loadMemory",
  "description": "My Electron application description",
  "keywords": [],
  "main": "./main.js",
  "version": "1.0.0",
  "author": "oalfroukh",
  "scripts": {
    "start": "electron ."
  },
  "dependencies": {},
  "devDependencies": {
    "electron": "19.1.2"
  }
}

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

setInterval( () => {
    console.info(`Memory usage by ${process.memoryUsage().rss / 1000000}MB`);
},3000);

## 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.

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

/* Add styles here to customize the appearance of your app */
	<!DOCTYPE html>
	<html>

	<body>
	<div id="container">
	</div>
	<script>
	const container = document.getElementById("container");

	const arrays = [];

	let count = 0;
	const idleCallback = () =>{
	console.log("idleCallback");
	container.innerHTML = count++;
	try {
	const a = new Uint8Array(100010241024)
	a.fill(12)
	arrays.push(a)
	window.requestIdleCallback(idleCallback)
	} catch (error) {
	console.error("errr",error)
	container.innerHTML = `${arrays.reduce((acc, cur)=> acc + cur.byteLength, 0)/1024/1024/1024} GB at ${--count}`

	}
	}
	window.requestIdleCallback(idleCallback)



	const arrays1 = [];
	// while (true){
	setInterval( () => {
	console.log("while");
	const a = new Uint8Array(100010241024)
	a.fill(12)
	arrays1.push(a)
	console.log(`${arrays1.reduce((acc, cur)=> acc + cur.byteLength, 0)/1024/1024/1024} GB`);
	},10);

	// }

	</script>
	</body>

	</html>
	// Modules to control application life and create native browser window
	const {app, BrowserWindow} = require('electron')
	const path = require('path')

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

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

	// Open the DevTools.
	mainWindow.webContents.openDevTools({ mode: "undocked", activate: true });
	}
	// app.commandLine.appendSwitch("disable-gpu");
	// app.commandLine.appendSwitch("in-process-gpu");
	// app.commandLine.appendSwitch("disable-software-rasterizer");
	app.commandLine.appendSwitch("no-sandbox");
	// app.commandLine.appendSwitch("disable-gpu-sandbox");
	// app.commandLine.appendSwitch('js-flags', '--max-old-space-size=3596');
	// 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": "loadMemory",
	"productName": "loadMemory",
	"description": "My Electron application description",
	"keywords": [],
	"main": "./main.js",
	"version": "1.0.0",
	"author": "oalfroukh",
	"scripts": {
	"start": "electron ."
	},
	"dependencies": {},
	"devDependencies": {
	"electron": "19.1.2"
	}
	}
	// All of the Node.js APIs are available in the preload process.
	// It has the same sandbox as a Chrome extension.
	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])
	}
	})

	setInterval( () => {
	console.info(`Memory usage by ${process.memoryUsage().rss / 1000000}MB`);
	},3000);
	// 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.
	/* styles.css */

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