Fixed hanging process on close

const isDev = (process.env.NODE_ENV === 'DEV');

let url = `file://${path.join(__dirname, '/dist/index.html')}`

let mainWindow

app.on('ready', () => {

  let window = new BrowserWindow({

function createWindow() {

  // Create the browser window.

  mainWindow = new BrowserWindow({

    width: 1124, 

    height: 800,

    icon: path.join(__dirname, '/src/assets/icons/png/64x64.png')

    icon: path.join(__dirname, '/icons/png/64x64.png')

  })

  window.setMenu(null);

  mainWindow.setMenu(null);

  contextMenu({

    showCopyImageAddress: true,

    showInspectElement: isDev,

  });

  window.loadURL(url)

  mainWindow.loadURL(url)

  // 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 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()

  }

})

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