electron-tutorial/main.js

// Importing modules
const { app, BrowserWindow } = require('electron')

// Reusable function to instantiate windows
const createWindow = () => {
    const win = new BrowserWindow({
        width: 800,
        height: 600,
    })

    win.loadFile('index.html')
}

// Call window instantiating function when the app is ready
app.whenReady().then(() => {
    createWindow()
})