main.js

'use strict';

const electron = require('electron');

const app = electron.app;
const BrowserWindow = electron.BrowserWindow;
let mainWindow;

function createWindow() {
    mainWindow = new BrowserWindow({
        width: 800, height: 600, webPreferences: {
            devTools: true,
            webSecurity: false,
            allowRunningInsecureContent: true
        }
    });
    mainWindow.loadURL(process.env.NODE_ENV === 'development'? 'http://localhost:8080':`file://${__dirname}/build/index.html`);
    mainWindow.on('closed', function () {
        mainWindow = null;
    });
}

app.on('ready', createWindow);

app.on('window-all-closed', function () {
    if (process.platform !== 'darwin') {
        app.quit();
    }
});

app.on('activate', function () {
    if (mainWindow === null) {
        createWindow();
    }
});