main.js

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

// 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: 800,
        minWidth: 1100,
        minHeight: 800,
        frame: true,
        webPreferences: {
            preload: path.join(__dirname, 'preload.js'),
            webSecurity: false,
            nodeIntegration: true  // needed for require to work on the client side
        }
    })

    // and load the index.html of the app.
    mainWindow.loadFile('public/web/index_frontend_controller.html')

    // 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()
})

// Make this app a single instance app.
//
// The main window will be restored and focused instead of a second window
// opened when a person attempts to launch a second instance.
//
// Returns true if the current version of the app should quit instead of
// launching.
function makeSingleInstance () {
    if (process.mas) return

    app.requestSingleInstanceLock()

    app.on('second-instance', () => {
        if (mainWindow) {
            if (mainWindow.isMinimized()) mainWindow.restore()
            mainWindow.focus()
        }
    })
}

makeSingleInstance();

// 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.
//require('./app.js');

let BackendController = require( './public/extractor/BackendController.js' );
let backendController = new BackendController( ipcMain );
backendController.registerIpcEvents();