main.js

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

require('electron-reload')(__dirname, {
    ignored: /node_modules|[/\\]\.|\.json/, //'*.json',
});

require('update-electron-app')();
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow;

function createWindow() {
    // Create the browser window.
    mainWindow = new BrowserWindow({
        width: 1200,
        height: 1000,
        frame: false,
        backgroundColor: '#000000',
        webPreferences: {
            nodeIntegration: true,
            // webSecurity: false,
            // allowRunningInsecureContent: true,
            preload: path.join(__dirname, '/js/init.js')
        }
    });

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

    mainWindow.setMenuBarVisibility(false);
    // Open the DevTools.
    // mainWindow.webContents.openDevTools()

    // Emitted when the window is closed.
    mainWindow.on('closed', function() {
        // Dereference the window object, usually you would store windows
        // in an array if your app supports multi windows, this is the time
        // when you should delete the corresponding element.
        mainWindow = null;
    });
}

// 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.on('ready', createWindow);

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

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 (mainWindow === null) createWindow();
});

// 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.