main.js

const electron = require('electron')
const {ipcMain} = electron;

// Module to control application life.
const app = electron.app
// Module to create native browser window.
const BrowserWindow = electron.BrowserWindow
const fs = require('fs');
const path = require('path')
const url = require('url')

// 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 loadPage(page,cb){
   mainWindow = new BrowserWindow({width: 800, height: 600,frame:true})

    // and load the index.html of the app.
    mainWindow.loadURL(url.format({
      pathname: path.join(__dirname, page),
      protocol: 'file:',
      slashes: true
    }))
    // 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
      app.quit()
    })
    cb();
}
function createWindow () {
    loadPage("pages/start-che.html",function(){
      
    });
    
}

// 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 OS X 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 OS X 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.


ipcMain.on('close-main-window', function () {
    app.quit();
});

ipcMain.on('load-page', function (msg) {
      loadPage("index.html",function(){
        console.log('opened main page');
      })
});