const electron = require('electron'); const app = electron.app; const BrowserWindow = electron.BrowserWindow; const path = require('path'); const url = require('url'); const isDev = process.env.NODE_ENV === "development"; let mainWindow; function createWindow() { mainWindow = new BrowserWindow({width: 1500, height: 880}); mainWindow.loadURL(isDev ? 'http://localhost:3000' : `file://${path.join(__dirname, '../build/index.html')}`); mainWindow.on('closed', () => mainWindow = null); } app.on('ready', createWindow); console.log( process.env.NODE_ENV); app.on('window-all-closed', () => { if (process.platform !== 'darwin') { app.quit(); } }); app.on('activate', () => { if (mainWindow === null) { createWindow(); } });