Work Around for Electron.JS Frameless window White Bar Bug After Maximize Cycle render process code snippet. https://medium.com/@victoraremu/fix-electron-js-frameless-window-white-bar-bug-after-maximize-cycle-fc1c59f4758c

render.js

import { remote, screen, ipcRenderer } from 'electron';

// …

customMaximize()
 {
	// windows dimension and positon {width, height, x, y}
	let resDetails = remote.getCurrentWindow().getBounds();
	
	// use ipcRender to send custom-resize event to main thread to invoke the custom resize event handler to resize the window….
	ipcRenderer.send('custom-maximize', this.screenSize.width, this.screenSize.height, resDetails);
 }

customRestore()
{
	ipcRenderer.send('custom-restore'); 
}


// Not part of the work around. It's just to test the work around out.
let btnMax = document.getElementById('btn-max');
let btnRes = document.getElementById('btn-res');

btnMax.addEventListener('click', function (e) {
	e.preventDefault();
	customMaximize();
});


btnRes.addEventListener('click', function (e) {
 e.preventDefault();
 customRestore();
 });

// ...