main.js

const path = require('path')
const os = require('os')
const { app, BrowserWindow, Menu, ipcMain, shell  } = require('electron')
const imagemin = require('imagemin')
const imageminMozjpeg = require('imagemin-mozjpeg')
const imageminPngquant = require('imagemin-pngquant')
const slash = require('slash')
const log = require('electron-log')

// Set env
process.env.NODE_ENV = 'development'

const isDev = process.env.NODE_ENV !== 'production' ? true : false
const isMac = process.platform === 'darwin' ? true : false

let mainWindow
let aboutWindow

function createMainWindow() {
  mainWindow = new BrowserWindow({
    title: 'ShrinkMe',
    width: isDev ? 800 : 550,
    height: 600,
    icon: `${__dirname}/assets/icons/Icon_256x256.png`,
    resizable: isDev ? true : false,
    backgroundColor: 'white',
    webPreferences: {
      nodeIntegration: true,
      worldSafeExecuteJavaScript: true,


    },
  })

  if (isDev) {
    mainWindow.webContents.openDevTools()
  }
  mainWindow.loadFile('./app/index.html')
}


function createAboutWindow() {
  aboutWindow = new BrowserWindow({
    title: 'About ShrinkMe',
    width: 300,
    height: 300,
    icon: `${__dirname}/assets/icons/Icon_256x256.png`,
    resizable: false,
    backgroundColor: 'white',
  })

  aboutWindow.loadFile('./app/about.html')
}

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

  const mainMenu = Menu.buildFromTemplate(menu)
  Menu.setApplicationMenu(mainMenu)

  mainWindow.on('ready', () => (mainWindow = null))
})

const menu = [
  ...(isMac
    ? [
        {
          label: app.name,
          submenu: [
            {
              label: 'About',
              click: createAboutWindow,
            },
          ],
        },
      ]
    : []),
  {
    role: 'fileMenu',
  },
  ...(!isMac
    ? [
        {
          label: 'Help',
          submenu: [
            {
              label: 'About',
              click: createAboutWindow,
            },
          ],
        },
      ]
    : []),
  ...(isDev
    ? [
        {
          label: 'Developer',
          submenu: [
            { role: 'reload' },
            { role: 'forcereload' },
            { type: 'separator' },
            { role: 'toggledevtools' },
          ],
        },
      ]
    : []),
]


ipcMain.on('image:minimize', (e, options) => {
  options.dest = path.join(os.homedir(), 'shrinkme')
  shrinkMe(options)
})

async function shrinkMe({ imgPath, quality, dest }) {
  try {
    const pngQuality = quality / 100

    const files = await imagemin([slash(imgPath)], {
      destination: dest,
      plugins: [
        imageminMozjpeg({ quality }),
        imageminPngquant({
          quality: [pngQuality, pngQuality],
        }),
      ],
    })

    log.info(files)

//     Changed from shell.openItem() for v9
    shell.openPath(dest)

    mainWindow.webContents.send('image:done')
  } catch (err) {
    log.error(err)
  }
}

app.on('window-all-closed', () => {
  if (!isMac) {
    app.quit()
  }
})

app.on('activate', () => {
  if (BrowserWindow.getAllWindows().length === 0) {
    createMainWindow()
  }
})

app.allowRendererProcessReuse = true